LMFDB - Newform orbit 169.4.e.d

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [169,4,Mod(23,169)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(169, base_ring=CyclotomicField(6))

chi = DirichletCharacter(H, H._module([5]))

N = Newforms(chi, 4, names="a")

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

chi := DirichletCharacter("169.23");

S:= CuspForms(chi, 4);

N := Newforms(S);

Level:	$N$	$=$	$169 = 13^{2}$
Weight:	$k$	$=$	$4$
Character orbit:	$[\chi]$	$=$	169.e (of order $6$ , degree $2$ , not 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:	$9.97132279097$
Analytic rank:	$0$
Dimension:	$4$
Relative dimension:	$2$ over $\Q(\zeta_{6})$
Coefficient field:	$\Q(\zeta_{12})$
comment: defining polynomial gp: f.mod \\ as an extension of the character field
Defining polynomial:	$x^{4} - x^{2} + 1$ x^4 - x^2 + 1
Coefficient ring:	$\Z[a_1, a_2, a_3]$
Coefficient ring index:	$3^{2}$
Twist minimal:	no (minimal twist has level 13)
Sato-Tate group:	$\mathrm{SU}(2)[C_{6}]$

$q$ -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 $1,\beta_1,\beta_2,\beta_3$ for the coefficient ring described below. We also show the integral $q$ -expansion of the trace form.

$f(q)$	$=$	$q + \beta_1 q^{2} + ( - \beta_{2} + 1) q^{3} + \beta_{2} q^{4} + 3 \beta_{3} q^{5} + ( - \beta_{3} + \beta_1) q^{6} + ( - 5 \beta_{3} + 5 \beta_1) q^{7} - 7 \beta_{3} q^{8} + 26 \beta_{2} q^{9} + (27 \beta_{2} - 27) q^{10}+ \cdots + 416 \beta_{3} q^{99}+O(q^{100})$ q + b1 * q^2 + (-b2 + 1) * q^3 + b2 * q^4 + 3b3 q^5 + (-b3 + b1) * q^6 + (-5b3 + 5b1) * q^7 - 7b3 q^8 + 26b2 q^9 + (27b2 - 27) q^10 + 16b1 q^11 + q^12 + 45 * q^14 + 3b1 q^15 + (-71b2 + 71) q^16 + 45b2 q^17 + 26b3 q^18 + (2b3 - 2b1) * q^19 + (3b3 - 3b1) * q^20 - 5b3 q^21 + 144b2 q^22 + (162b2 - 162) q^23 - 7b1 q^24 + 44 * q^25 + 53 * q^27 + 5b1 q^28 + (-144b2 + 144) q^29 + 27b2 q^30 - 88b3 q^31 + (-15b3 + 15b1) * q^32 + (-16b3 + 16b1) * q^33 + 45b3 q^34 + 135b2 q^35 + (26b2 - 26) q^36 - 101b1 q^37 - 18 * q^38 + 189 * q^40 - 64b1 q^41 + (-45b2 + 45) q^42 + 97b2 q^43 + 16b3 q^44 + (78b3 - 78b1) * q^45 + (162b3 - 162b1) * q^46 + 37b3 q^47 - 71b2 q^48 + (118b2 - 118) q^49 + 44b1 q^50 + 45 * q^51 - 414 * q^53 + 53b1 q^54 + (432b2 - 432) q^55 - 315b2 q^56 + 2b3 q^57 + (-144b3 + 144b1) * q^58 + (-174b3 + 174b1) * q^59 + 3b3 q^60 - 376b2 q^61 + (-792b2 + 792) q^62 + 130b1 q^63 - 433 * q^64 + 144 * q^66 - 12b1 q^67 + (45b2 - 45) q^68 + 162b2 q^69 + 135b3 q^70 + (119b3 - 119b1) * q^71 + (-182b3 + 182b1) * q^72 - 366b3 q^73 - 909b2 q^74 + (-44b2 + 44) q^75 - 2b1 q^76 + 720 * q^77 - 830 * q^79 + 213b1 q^80 + (649b2 - 649) q^81 - 576b2 q^82 + 146b3 q^83 + (-5b3 + 5b1) * q^84 + (135b3 - 135b1) * q^85 + 97b3 q^86 - 144b2 q^87 + (-1008b2 + 1008) q^88 + 146b1 q^89 - 702 * q^90 - 162 * q^92 - 88b1 q^93 + (333b2 - 333) q^94 - 54b2 q^95 - 15b3 q^96 + (-284b3 + 284b1) * q^97 + (118b3 - 118b1) * q^98 + 416b3 q^99
$\operatorname{Tr}(f)(q)$	$=$	$4 q + 2 q^{3} + 2 q^{4} + 52 q^{9} - 54 q^{10} + 4 q^{12} + 180 q^{14} + 142 q^{16} + 90 q^{17} + 288 q^{22} - 324 q^{23} + 176 q^{25} + 212 q^{27} + 288 q^{29} + 54 q^{30} + 270 q^{35} - 52 q^{36} - 72 q^{38}+ \cdots - 108 q^{95}+O(q^{100})$ 4 * q + 2 * q^3 + 2 * q^4 + 52 * q^9 - 54 * q^10 + 4 * q^12 + 180 * q^14 + 142 * q^16 + 90 * q^17 + 288 * q^22 - 324 * q^23 + 176 * q^25 + 212 * q^27 + 288 * q^29 + 54 * q^30 + 270 * q^35 - 52 * q^36 - 72 * q^38 + 756 * q^40 + 90 * q^42 + 194 * q^43 - 142 * q^48 - 236 * q^49 + 180 * q^51 - 1656 * q^53 - 864 * q^55 - 630 * q^56 - 752 * q^61 + 1584 * q^62 - 1732 * q^64 + 576 * q^66 - 90 * q^68 + 324 * q^69 - 1818 * q^74 + 88 * q^75 + 2880 * q^77 - 3320 * q^79 - 1298 * q^81 - 1152 * q^82 - 288 * q^87 + 2016 * q^88 - 2808 * q^90 - 648 * q^92 - 666 * q^94 - 108 * q^95

Basis of coefficient ring

$\beta_{1}$	$=$	$3\zeta_{12}$ 3*v
$\beta_{2}$	$=$	$\zeta_{12}^{2}$ v^2
$\beta_{3}$	$=$	$3\zeta_{12}^{3}$ 3*v^3

Display $\zeta_{12}^j$ in terms of $\beta_i$

$\zeta_{12}$	$=$	$( \beta_1 ) / 3$ (b1) / 3
$\zeta_{12}^{2}$	$=$	$\beta_{2}$ b2
$\zeta_{12}^{3}$	$=$	$( \beta_{3} ) / 3$ (b3) / 3

Display $\beta_i$ in terms of $\zeta_{12}^j$

Character values

We give the values of $\chi$ on generators for $\left(\mathbb{Z}/169\mathbb{Z}\right)^\times$ .

$n$	$2$
$\chi(n)$	$\beta_{2}$

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}

23.1

−0.866025	+	0.500000i
0.866025	−	0.500000i
−0.866025	−	0.500000i
0.866025	+	0.500000i

−2.59808

1.50000i

0.500000

0.866025i

0.500000

−

0.866025i

9.00000i

−2.59808

−

1.50000i

−12.9904

−

7.50000i

−

21.0000i

13.0000

−

22.5167i

−13.5000

−

23.3827i

23.2

2.59808

−

1.50000i

0.500000

0.866025i

0.500000

−

0.866025i

−

9.00000i

2.59808

1.50000i

12.9904

7.50000i

21.0000i

13.0000

−

22.5167i

−13.5000

−

23.3827i

147.1

−2.59808

−

1.50000i

0.500000

−

0.866025i

0.500000

0.866025i

−

9.00000i

−2.59808

1.50000i

−12.9904

7.50000i

21.0000i

13.0000

22.5167i

−13.5000

23.3827i

147.2

2.59808

1.50000i

0.500000

−

0.866025i

0.500000

0.866025i

9.00000i

2.59808

−

1.50000i

12.9904

−

7.50000i

−

21.0000i

13.0000

22.5167i

−13.5000

23.3827i

Inner twists

Char	Parity	Ord	Mult	Type
1.a	even	1	1	trivial
13.b	even	2	1	inner
13.c	even	3	1	inner
13.e	even	6	1	inner

Twists

By twisting character orbit
Char	Parity	Ord	Mult	Type	Twist	Min	Dim
1.a	even	1	1	trivial	169.4.e.d		4
13.b	even	2	1	inner	169.4.e.d		4
13.c	even	3	1		13.4.b.a	✓	2
13.c	even	3	1	inner	169.4.e.d		4
13.d	odd	4	1		169.4.c.b		2
13.d	odd	4	1		169.4.c.c		2
13.e	even	6	1		13.4.b.a	✓	2
13.e	even	6	1	inner	169.4.e.d		4
13.f	odd	12	1		169.4.a.b		1
13.f	odd	12	1		169.4.a.c		1
13.f	odd	12	1		169.4.c.b		2
13.f	odd	12	1		169.4.c.c		2
39.h	odd	6	1		117.4.b.a		2
39.i	odd	6	1		117.4.b.a		2
39.k	even	12	1		1521.4.a.d		1
39.k	even	12	1		1521.4.a.i		1
52.i	odd	6	1		208.4.f.b		2
52.j	odd	6	1		208.4.f.b		2
65.l	even	6	1		325.4.c.b		2
65.n	even	6	1		325.4.c.b		2
65.q	odd	12	1		325.4.d.a		2
65.q	odd	12	1		325.4.d.b		2
65.r	odd	12	1		325.4.d.a		2
65.r	odd	12	1		325.4.d.b		2
104.n	odd	6	1		832.4.f.c		2
104.p	odd	6	1		832.4.f.c		2
104.r	even	6	1		832.4.f.e		2
104.s	even	6	1		832.4.f.e		2

By twisted newform orbit
Twist	Min	Dim	Char	Parity	Ord	Mult	Type
13.4.b.a	✓	2	13.c	even	3	1
13.4.b.a	✓	2	13.e	even	6	1
117.4.b.a		2	39.h	odd	6	1
117.4.b.a		2	39.i	odd	6	1
169.4.a.b		1	13.f	odd	12	1
169.4.a.c		1	13.f	odd	12	1
169.4.c.b		2	13.d	odd	4	1
169.4.c.b		2	13.f	odd	12	1
169.4.c.c		2	13.d	odd	4	1
169.4.c.c		2	13.f	odd	12	1
169.4.e.d		4	1.a	even	1	1	trivial
169.4.e.d		4	13.b	even	2	1	inner
169.4.e.d		4	13.c	even	3	1	inner
169.4.e.d		4	13.e	even	6	1	inner
208.4.f.b		2	52.i	odd	6	1
208.4.f.b		2	52.j	odd	6	1
325.4.c.b		2	65.l	even	6	1
325.4.c.b		2	65.n	even	6	1
325.4.d.a		2	65.q	odd	12	1
325.4.d.a		2	65.r	odd	12	1
325.4.d.b		2	65.q	odd	12	1
325.4.d.b		2	65.r	odd	12	1
832.4.f.c		2	104.n	odd	6	1
832.4.f.c		2	104.p	odd	6	1
832.4.f.e		2	104.r	even	6	1
832.4.f.e		2	104.s	even	6	1
1521.4.a.d		1	39.k	even	12	1
1521.4.a.i		1	39.k	even	12	1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator $T_{2}^{4} - 9T_{2}^{2} + 81$ T2^4 - 9*T2^2 + 81 acting on $S_{4}^{\mathrm{new}}(169, [\chi])$ .

Hecke characteristic polynomials

$p$	$F_p(T)$
$2$	$T^{4} - 9T^{2} + 81$ T^4 - 9*T^2 + 81
$3$	$(T^{2} - T + 1)^{2}$ (T^2 - T + 1)^2
$5$	$(T^{2} + 81)^{2}$ (T^2 + 81)^2
$7$	$T^{4} - 225 T^{2} + 50625$ T^4 - 225*T^2 + 50625
$11$	$T^{4} - 2304 T^{2} + 5308416$ T^4 - 2304*T^2 + 5308416
$13$	$T^{4}$ T^4
$17$	$(T^{2} - 45 T + 2025)^{2}$ (T^2 - 45*T + 2025)^2
$19$	$T^{4} - 36T^{2} + 1296$ T^4 - 36*T^2 + 1296
$23$	$(T^{2} + 162 T + 26244)^{2}$ (T^2 + 162*T + 26244)^2
$29$	$(T^{2} - 144 T + 20736)^{2}$ (T^2 - 144*T + 20736)^2
$31$	$(T^{2} + 69696)^{2}$ (T^2 + 69696)^2
$37$	$T^{4} + \cdots + 8428892481$ T^4 - 91809*T^2 + 8428892481
$41$	$T^{4} + \cdots + 1358954496$ T^4 - 36864*T^2 + 1358954496
$43$	$(T^{2} - 97 T + 9409)^{2}$ (T^2 - 97*T + 9409)^2
$47$	$(T^{2} + 12321)^{2}$ (T^2 + 12321)^2
$53$	$(T + 414)^{4}$ (T + 414)^4
$59$	$T^{4} + \cdots + 74247530256$ T^4 - 272484*T^2 + 74247530256
$61$	$(T^{2} + 376 T + 141376)^{2}$ (T^2 + 376*T + 141376)^2
$67$	$T^{4} - 1296 T^{2} + 1679616$ T^4 - 1296*T^2 + 1679616
$71$	$T^{4} + \cdots + 16243247601$ T^4 - 127449*T^2 + 16243247601
$73$	$(T^{2} + 1205604)^{2}$ (T^2 + 1205604)^2
$79$	$(T + 830)^{4}$ (T + 830)^4
$83$	$(T^{2} + 191844)^{2}$ (T^2 + 191844)^2
$89$	$T^{4} + \cdots + 36804120336$ T^4 - 191844*T^2 + 36804120336
$97$	$T^{4} + \cdots + 526936617216$ T^4 - 725904*T^2 + 526936617216
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Introduction

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Modular forms

Varieties

Fields

Representations

Groups

Database

Properties

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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	169.4.e.d

Level	$169$
Weight	$4$
Character orbit	169.e
Analytic conductor	$9.971$
Analytic rank	$0$
Dimension	$4$
Inner twists	$4$