LMFDB - Newform orbit 45.10.b.d

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [45,10,Mod(19,45)]

mf = mfinit([N,k,chi],0)

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(45, base_ring=CyclotomicField(2))

chi = DirichletCharacter(H, H._module([0, 1]))

N = Newforms(chi, 10, names="a")

//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code

chi := DirichletCharacter("45.19");

S:= CuspForms(chi, 10);

N := Newforms(S);

Level:	$N$	$=$	$45 = 3^{2} \cdot 5$
Weight:	$k$	$=$	$10$
Character orbit:	$[\chi]$	$=$	45.b (of order $2$ , degree $1$ , minimal)

Newform invariants

comment: select newform

sage: f = N[0] # Warning: the index may be different

gp: f = lf[1] \\ Warning: the index may be different

Self dual:	no
Analytic conductor:	$23.1766126274$
Analytic rank:	$0$
Dimension:	$8$
Coefficient field:	$\mathbb{Q}[x]/(x^{8} - \cdots)$
comment: defining polynomial gp: f.mod \\ as an extension of the character field
Defining polynomial:	$x^{8} - 2x^{7} - 774x^{6} - 2822x^{5} + 257730x^{4} + 2421892x^{3} - 2488179x^{2} - 34986488x + 335502416$ x^8 - 2x^7 - 774x^6 - 2822x^5 + 257730x^4 + 2421892x^3 - 2488179x^2 - 34986488*x + 335502416
Coefficient ring:	$\Z[a_1, \ldots, a_{7}]$
Coefficient ring index:	$2^{18}\cdot 3^{8}\cdot 5^{7}$
Twist minimal:	yes
Sato-Tate group:	$\mathrm{SU}(2)[C_{2}]$

$q$ -expansion

comment: q-expansion

sage: f.q_expansion() # note that sage often uses an isomorphic number field

gp: mfcoefs(f, 20)

Coefficients of the $q$ -expansion are expressed in terms of a basis $1,\beta_1,\ldots,\beta_{7}$ for the coefficient ring described below. We also show the integral $q$ -expansion of the trace form.

$f(q)$	$=$	$q + \beta_1 q^{2} + (\beta_{2} - 18) q^{4} + ( - \beta_{4} - \beta_{3} + 24 \beta_1) q^{5} - \beta_{5} q^{7} + (8 \beta_{4} + 220 \beta_1) q^{8} + (\beta_{6} + \beta_{5} + 60 \beta_{2} - 12835) q^{10}+ \cdots + (910560 \beta_{4} - 53014073 \beta_1) q^{98}+O(q^{100})$ q + b1 * q^2 + (b2 - 18) * q^4 + (-b4 - b3 + 24b1) q^5 - b5 * q^7 + (8b4 + 220b1) * q^8 + (b6 + b5 + 60b2 - 12835) q^10 + (b7 - b4 + 14b3 + 4b1) * q^11 + (-10b6 + b5 - 5b2) * q^13 + (-3b7 + 8b4 - 92b3 - 27b1) * q^14 + (476b2 - 126136) q^16 + (69b4 - 5969b1) * q^17 + (1306b2 - 259984) q^19 + (5b7 - 72b4 - 132b3 - 16737b1) * q^20 + (-30b6 - 230b5 - 15b2) q^22 + (2202b4 - 902b1) * q^23 + (-46b6 + 229b5 + 1915b2 - 74465) q^25 + (-17b7 + 272b4 - 2788b3 - 833b1) * q^26 + (140b6 + 228b5 + 70b2) q^28 + (44b7 + 381b4 - 3634b3 - 1099b1) * q^29 + (-16898b2 + 1509668) q^31 + (7904b4 - 143920b1) * q^32 + (-8177b2 + 3160810) q^34 + (-85b7 + 7635b4 - 6970b3 - 166210b1) * q^35 + (410b6 + 207b5 + 205b2) q^37 + (10448b4 - 617828b1) * q^38 + (564b6 - 436b5 + 16840b2 + 2281060) q^40 + (128b7 + 1402b4 - 13508b3 - 4078b1) * q^41 + (-840b6 - 664b5 - 420b2) q^43 + (-238b7 + 2168b4 - 22632b3 - 6742b1) * q^44 + (-71366b2 + 389980) q^46 + (22370b4 + 969354b1) * q^47 + (113820b2 - 21827393) q^49 + (595b7 + 14960b4 + 7820b3 - 603250b1) * q^50 + (-2060b6 + 6972b5 - 1030b2) q^52 + (-24975b4 - 489257b1) * q^53 + (-3160b6 - 6535b5 + 143650b2 - 13248900) q^55 + (-572b7 - 1648b4 + 14192b3 + 4372b1) * q^56 + (2930b6 - 5870b5 + 1465b2) q^58 + (391b7 - 8211b4 + 83674b3 + 25024b1) * q^59 + (88672b2 - 20730718) q^61 + (-135184b4 + 6139720b1) * q^62 + (-153136b2 + 11379808) q^64 + (-2040b7 - 158785b4 + 37570b3 - 4921065b1) * q^65 + (3080b6 - 18566b5 + 1540b2) q^67 + (-30088b4 + 2345180b1) * q^68 + (8330b6 + 25330b5 - 383075b2 + 86713200) q^70 + (1734b7 - 25854b4 + 265476b3 + 79296b1) * q^71 + (-7040b6 + 31428b5 - 3520b2) q^73 + (1441b7 - 13136b4 + 137124b3 + 40849b1) * q^74 + (-283492b2 + 193919112) q^76 + (-187320b4 + 28386960b1) * q^77 + (-347786b2 - 137366596) q^79 + (2380b7 + 83296b4 + 54736b3 - 10788444b1) * q^80 + (11460b6 - 14140b5 + 5730b2) q^82 + (-388860b4 - 10958468b1) * q^83 + (-3002b6 - 11627b5 - 326745b2 + 120640670) q^85 + (-3672b7 + 28832b4 - 303008b3 - 90168b1) * q^86 + (11080b6 - 43720b5 + 5540b2) q^88 + (-7480b7 + 2720b4 - 57120b3 - 15640b1) * q^89 + (2620380b2 - 183141000) q^91 + (556496b4 + 19482440b1) * q^92 + (253514b2 - 514652420) q^94 + (6530b7 + 142444b4 + 64084b3 - 27533946b1) * q^95 + (-55940b6 + 23954b5 - 27970b2) q^97 + (910560b4 - 53014073b1) * q^98
$\operatorname{Tr}(f)(q)$	$=$	$8 q - 144 q^{4} - 102680 q^{10} - 1009088 q^{16} - 2079872 q^{19} - 595720 q^{25} + 12077344 q^{31} + 25286480 q^{34} + 18248480 q^{40} + 3119840 q^{46} - 174619144 q^{49} - 105991200 q^{55} - 165845744 q^{61}+ \cdots - 4117219360 q^{94}+O(q^{100})$ 8 * q - 144 * q^4 - 102680 * q^10 - 1009088 * q^16 - 2079872 * q^19 - 595720 * q^25 + 12077344 * q^31 + 25286480 * q^34 + 18248480 * q^40 + 3119840 * q^46 - 174619144 * q^49 - 105991200 * q^55 - 165845744 * q^61 + 91038464 * q^64 + 693705600 * q^70 + 1551352896 * q^76 - 1098932768 * q^79 + 965125360 * q^85 - 1465128000 * q^91 - 4117219360 * q^94

Basis of coefficient ring in terms of a root $\nu$ of $x^{8} - 2x^{7} - 774x^{6} - 2822x^{5} + 257730x^{4} + 2421892x^{3} - 2488179x^{2} - 34986488x + 335502416$ x^8 - 2*x^7 - 774*x^6 - 2822*x^5 + 257730*x^4 + 2421892*x^3 - 2488179*x^2 - 34986488*x + 335502416 :

$\beta_{1}$	$=$	$( 6904938953 \nu^{7} - 37144894182 \nu^{6} - 4851062706478 \nu^{5} - 6257780345790 \nu^{4} + \cdots + 60\!\cdots\!44 ) / 27\!\cdots\!00$ (6904938953v^7 - 37144894182v^6 - 4851062706478v^5 - 6257780345790v^4 + 1658234493421370v^3 + 10972209630591036v^2 + 7521794943982901*v + 60821862908267844) / 27309705720915000
$\beta_{2}$	$=$	$( - 116957544 \nu^{7} + 4833928896 \nu^{6} + 7776782184 \nu^{5} - 1371549880020 \nu^{4} + \cdots + 85\!\cdots\!78 ) / 227580881007625$ (-116957544v^7 + 4833928896v^6 + 7776782184v^5 - 1371549880020v^4 - 8629140808080v^3 + 25909503042012v^2 + 23448370807392*v + 85582041061356078) / 227580881007625
$\beta_{3}$	$=$	$( 668560664711 \nu^{7} - 2645074001034 \nu^{6} - 530608174016386 \nu^{5} + \cdots - 23\!\cdots\!72 ) / 54\!\cdots\!00$ (668560664711v^7 - 2645074001034v^6 - 530608174016386v^5 - 677589010607730v^4 + 186369773343127190v^3 + 1224830469205065732v^2 - 9650482317781431013*v - 23136723065355815172) / 54619411441830000
$\beta_{4}$	$=$	$( 331927634177 \nu^{7} - 2247832279038 \nu^{6} - 234962282948902 \nu^{5} + \cdots + 35\!\cdots\!96 ) / 13\!\cdots\!00$ (331927634177v^7 - 2247832279038v^6 - 234962282948902v^5 + 120159770836890v^4 + 75628572346367330v^3 + 449694910869940524v^2 + 137294267093615309*v + 3551298134287791396) / 13654852860457500
$\beta_{5}$	$=$	$( 9891204792 \nu^{7} - 237035160948 \nu^{6} - 5741279386692 \nu^{5} + 138230829015540 \nu^{4} + \cdots + 75\!\cdots\!16 ) / 227580881007625$ (9891204792v^7 - 237035160948v^6 - 5741279386692v^5 + 138230829015540v^4 + 1944286210970580v^3 - 27529005010035096v^2 - 193659313405297536*v + 759056472523896216) / 227580881007625
$\beta_{6}$	$=$	$( - 25452206052 \nu^{7} + 794327480988 \nu^{6} + 13593374795352 \nu^{5} + \cdots - 28\!\cdots\!71 ) / 227580881007625$ (-25452206052v^7 + 794327480988v^6 + 13593374795352v^5 - 443019460234890v^4 - 5593934238354180v^3 + 116227034880796626v^2 + 761535414445472016*v - 2887635173909983671) / 227580881007625
$\beta_{7}$	$=$	$( - 644689654177 \nu^{7} - 1707245576362 \nu^{6} + 657301176385502 \nu^{5} + \cdots + 37\!\cdots\!04 ) / 18\!\cdots\!00$ (-644689654177v^7 - 1707245576362v^6 + 657301176385502v^5 + 1943259586752110v^4 - 240798485548557130v^3 - 1663909164019807324v^2 + 14937962812365758291*v + 37965914680773837404) / 1820647048061000

Display $\nu^j$ in terms of $\beta_i$

$\nu$	$=$	$( -\beta_{7} + 8\beta_{4} - 84\beta_{3} - 60\beta_{2} + 1775\beta _1 + 1800 ) / 7200$ (-b7 + 8b4 - 84b3 - 60b2 + 1775b1 + 1800) / 7200
$\nu^{2}$	$=$	$( -2\beta_{7} + 10\beta_{6} + 30\beta_{5} - 44\beta_{4} - 48\beta_{3} - 595\beta_{2} + 1810\beta _1 + 279360 ) / 1440$ (-2b7 + 10b6 + 30b5 - 44b4 - 48b3 - 595b2 + 1810*b1 + 279360) / 1440
$\nu^{3}$	$=$	$( - 319 \beta_{7} + 300 \beta_{6} + 1800 \beta_{5} - 18328 \beta_{4} - 15996 \beta_{3} + \cdots + 11806200 ) / 7200$ (-319b7 + 300b6 + 1800b5 - 18328b4 - 15996b3 - 35790b2 + 1840265*b1 + 11806200) / 7200
$\nu^{4}$	$=$	$( - 826 \beta_{7} + 6070 \beta_{6} + 24330 \beta_{5} - 60892 \beta_{4} - 36624 \beta_{3} + \cdots + 36397440 ) / 1440$ (-826b7 + 6070b6 + 24330b5 - 60892b4 - 36624b3 - 89485b2 + 4791290*b1 + 36397440) / 1440
$\nu^{5}$	$=$	$( 30689 \beta_{7} + 456500 \beta_{6} + 1989000 \beta_{5} - 13178452 \beta_{4} + 1437276 \beta_{3} + \cdots + 2081314800 ) / 7200$ (30689b7 + 456500b6 + 1989000b5 - 13178452b4 + 1437276b3 - 5196110b2 + 1089860045*b1 + 2081314800) / 7200
$\nu^{6}$	$=$	$( 221484 \beta_{7} + 2967010 \beta_{6} + 12410670 \beta_{5} - 48906792 \beta_{4} + 10041216 \beta_{3} + \cdots - 34516536840 ) / 1440$ (221484b7 + 2967010b6 + 12410670b5 - 48906792b4 + 10041216b3 + 91629365b2 + 3891351300*b1 - 34516536840) / 1440
$\nu^{7}$	$=$	$( 117363141 \beta_{7} + 276526600 \beta_{6} + 1170804600 \beta_{5} - 6107526168 \beta_{4} + \cdots - 4421476909800 ) / 7200$ (117363141b7 + 276526600b6 + 1170804600b5 - 6107526168b4 + 5428226244b3 + 11796355760b2 + 462278103045*b1 - 4421476909800) / 7200

Display $\beta_i$ in terms of $\nu^j$

Character values

We give the values of $\chi$ on generators for $\left(\mathbb{Z}/45\mathbb{Z}\right)^\times$ .

$n$	$11$	$37$
$\chi(n)$	$1$	$-1$

Embeddings

For each embedding $\iota_m$ of the coefficient field, the values $\iota_m(a_n)$ are shown below.

For more information on an embedded modular form you can click on its label.

comment: embeddings in the coefficient field

gp: mfembed(f)

Label

\iota_m(\nu)

a_{2}

a_{3}

a_{4}

a_{5}

a_{6}

a_{7}

a_{8}

a_{9}

a_{10}

19.1

−16.5231	−	7.54427i
23.3674	−	7.54427i
−8.93777	−	3.05515i
3.09348	−	3.05515i
−8.93777	+	3.05515i
3.09348	+	3.05515i
−16.5231	+	7.54427i
23.3674	+	7.54427i

−

30.1771i

−398.657

−755.297

−

1175.86i

−

10271.7i

−

3420.35i

−35484.1

22792.7i

19.2

−

30.1771i

−398.657

755.297

−

1175.86i

10271.7i

−

3420.35i

−35484.1

−

22792.7i

19.3

−

12.2206i

362.657

−1143.76

803.080i

4342.19i

−

10688.8i

9814.11

13977.4i

19.4

−

12.2206i

362.657

1143.76

803.080i

−

4342.19i

−

10688.8i

9814.11

−

13977.4i

19.5

12.2206i

362.657

−1143.76

−

803.080i

−

4342.19i

10688.8i

9814.11

−

13977.4i

19.6

12.2206i

362.657

1143.76

−

803.080i

4342.19i

10688.8i

9814.11

13977.4i

19.7

30.1771i

−398.657

−755.297

1175.86i

10271.7i

3420.35i

−35484.1

−

22792.7i

19.8

30.1771i

−398.657

755.297

1175.86i

−

10271.7i

3420.35i

−35484.1

22792.7i

Inner twists

Char	Parity	Ord	Mult	Type
1.a	even	1	1	trivial
3.b	odd	2	1	inner
5.b	even	2	1	inner
15.d	odd	2	1	inner

Twists

By twisting character orbit
Char	Parity	Ord	Mult	Type	Twist	Min	Dim
1.a	even	1	1	trivial	45.10.b.d	✓	8
3.b	odd	2	1	inner	45.10.b.d	✓	8
5.b	even	2	1	inner	45.10.b.d	✓	8
5.c	odd	4	2		225.10.a.x		8
15.d	odd	2	1	inner	45.10.b.d	✓	8
15.e	even	4	2		225.10.a.x		8

By twisted newform orbit
Twist	Min	Dim	Char	Parity	Ord	Mult	Type
45.10.b.d	✓	8	1.a	even	1	1	trivial
45.10.b.d	✓	8	3.b	odd	2	1	inner
45.10.b.d	✓	8	5.b	even	2	1	inner
45.10.b.d	✓	8	15.d	odd	2	1	inner
225.10.a.x		8	5.c	odd	4	2
225.10.a.x		8	15.e	even	4	2

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator $T_{2}^{4} + 1060T_{2}^{2} + 136000$ T2^4 + 1060*T2^2 + 136000 acting on $S_{10}^{\mathrm{new}}(45, [\chi])$ .

Hecke characteristic polynomials

$p$	$F_p(T)$
$2$	$(T^{4} + 1060 T^{2} + 136000)^{2}$ (T^4 + 1060*T^2 + 136000)^2
$3$	$T^{8}$ T^8
$5$	$T^{8} + \cdots + 14\!\cdots\!25$ T^8 + 297860T^6 + 5474687493750T^4 + 1136245727539062500*T^2 + 14551915228366851806640625
$7$	$(T^{4} + \cdots + 19\!\cdots\!00)^{2}$ (T^4 + 124362000*T^2 + 1989298362240000)^2
$11$	$(T^{4} + \cdots + 11\!\cdots\!00)^{2}$ (T^4 - 9583434000*T^2 + 11119353945840000000)^2
$13$	$(T^{4} + \cdots + 46\!\cdots\!00)^{2}$ (T^4 + 48381354000*T^2 + 464630634368288640000)^2
$17$	$(T^{4} + \cdots + 67\!\cdots\!00)^{2}$ (T^4 + 43232797240*T^2 + 671610546184546000)^2
$19$	$(T^{2} + 519968 T - 179554976144)^{4}$ (T^2 + 519968*T - 179554976144)^4
$23$	$(T^{4} + \cdots + 40\!\cdots\!00)^{2}$ (T^4 + 5634563947360*T^2 + 4002987820736235709216000)^2
$29$	$(T^{4} + \cdots + 25\!\cdots\!00)^{2}$ (T^4 - 42576647274000*T^2 + 25683675428700278640000000)^2
$31$	$(T^{2} + \cdots - 39095996869376)^{4}$ (T^2 - 3019336*T - 39095996869376)^4
$37$	$(T^{4} + \cdots + 23\!\cdots\!00)^{2}$ (T^4 + 96426527274000*T^2 + 2304340541299314233735040000)^2
$41$	$(T^{4} + \cdots + 16\!\cdots\!00)^{2}$ (T^4 - 493003919016000*T^2 + 1660032223945885440000000)^2
$43$	$(T^{4} + \cdots + 47\!\cdots\!00)^{2}$ (T^4 + 456988331520000*T^2 + 47009328185889620691517440000)^2
$47$	$(T^{4} + \cdots + 48\!\cdots\!00)^{2}$ (T^4 + 1580949932577760*T^2 + 480206578905651435120671776000)^2
$53$	$(T^{4} + \cdots + 21\!\cdots\!00)^{2}$ (T^4 + 980450628956440*T^2 + 21313539974350034615234386000)^2
$59$	$(T^{4} + \cdots + 50\!\cdots\!00)^{2}$ (T^4 - 14573985816474000*T^2 + 50374099902819123487027440000000)^2
$61$	$(T^{2} + \cdots - 709545978526076)^{4}$ (T^2 + 41461436*T - 709545978526076)^4
$67$	$(T^{4} + \cdots + 43\!\cdots\!00)^{2}$ (T^4 + 41926741772328000*T^2 + 434697326334286723439428515840000)^2
$71$	$(T^{4} + \cdots + 51\!\cdots\!00)^{2}$ (T^4 - 160275599250984000*T^2 + 5187914500475231731879223040000000)^2
$73$	$(T^{4} + \cdots + 38\!\cdots\!00)^{2}$ (T^4 + 125526709379232000*T^2 + 3880055853657105792390393200640000)^2
$79$	$(T^{2} + \cdots + 13\!\cdots\!16)^{4}$ (T^2 + 274733192*T + 1343187446386816)^4
$83$	$(T^{4} + \cdots + 82\!\cdots\!00)^{2}$ (T^4 + 303674498749306240*T^2 + 8298255044229639471081705304576000)^2
$89$	$(T^{4} + \cdots + 44\!\cdots\!00)^{2}$ (T^4 - 521584580966400000*T^2 + 44808583769666350586265600000000000)^2
$97$	$(T^{4} + \cdots + 26\!\cdots\!00)^{2}$ (T^4 + 1480672312041384000*T^2 + 263071170849173249531386837923840000)^2
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Overview	Random
Universe	Knowledge

Classical	Maass
Hilbert	Bianchi

Elliptic curves over $\Q$
Elliptic curves over $\Q(\alpha)$
Genus 2 curves over $\Q$
Higher genus families
Abelian varieties over $\F_{q}$

$n$ :		e.g. 2-40 or 990-1000
Embeddings:		e.g. 1-3 or 19.8
Significant digits:
Format:

Introduction

L-functions

Modular forms

Varieties

Fields

Representations

Groups

Database

Properties

Related objects

Downloads

Learn more

Newspace parameters

Newform invariants

$q$ -expansion

Character values

Embeddings

Inner twists

Twists

Hecke kernels

Hecke characteristic polynomials

This project is supported by grants from the US National Science Foundation, the UK Engineering and Physical Sciences Research Council, and the Simons Foundation.

Label	45.10.b.d

Level	$45$
Weight	$10$
Character orbit	45.b
Analytic conductor	$23.177$
Analytic rank	$0$
Dimension	$8$
Inner twists	$4$