LMFDB - Newform orbit 1250.2.a.i

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [1250,2,Mod(1,1250)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(1250, base_ring=CyclotomicField(2))

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

N = Newforms(chi, 2, names="a")

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

chi := DirichletCharacter("1250.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

Level:	$N$	$=$	$1250 = 2 \cdot 5^{4}$
Weight:	$k$	$=$	$2$
Character orbit:	$[\chi]$	$=$	1250.a (trivial)

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:	yes
Analytic conductor:	$9.98130025266$
Analytic rank:	$1$
Dimension:	$4$
Coefficient field:	$\Q(\zeta_{20})^+$
comment: defining polynomial gp: f.mod \\ as an extension of the character field
Defining polynomial:	$x^{4} - 5x^{2} + 5$ x^4 - 5*x^2 + 5
Coefficient ring:	$\Z[a_1, a_2, a_3]$
Coefficient ring index:	$1$
Twist minimal:	no (minimal twist has level 50)
Fricke sign:	$+1$
Sato-Tate group:	$\mathrm{SU}(2)$

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}

1.1

−1.90211
−1.17557
1.17557
1.90211

1.00000

−2.90211

1.00000

−2.90211

1.07768

1.00000

5.42226

1.2

1.00000

−2.17557

1.00000

−2.17557

−2.72654

1.00000

1.73311

1.3

1.00000

0.175571

1.00000

0.175571

−1.27346

1.00000

−2.96917

1.4

1.00000

0.902113

1.00000

0.902113

−5.07768

1.00000

−2.18619

Atkin-Lehner signs

$p$	Sign
$2$	$-1$
$5$	$-1$

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

By twisting character orbit
Char	Parity	Ord	Mult	Type	Twist	Min	Dim
1.a	even	1	1	trivial	1250.2.a.i		4
4.b	odd	2	1		10000.2.a.bb		4
5.b	even	2	1		1250.2.a.h		4
5.c	odd	4	2		1250.2.b.c		8
20.d	odd	2	1		10000.2.a.o		4
25.d	even	5	2		250.2.d.b		8
25.e	even	10	2		250.2.d.c		8
25.f	odd	20	2		50.2.e.a	✓	8
25.f	odd	20	2		250.2.e.a		8
75.l	even	20	2		450.2.l.b		8
100.l	even	20	2		400.2.y.a		8

By twisted newform orbit
Twist	Min	Dim	Char	Parity	Ord	Mult	Type
50.2.e.a	✓	8	25.f	odd	20	2
250.2.d.b		8	25.d	even	5	2
250.2.d.c		8	25.e	even	10	2
250.2.e.a		8	25.f	odd	20	2
400.2.y.a		8	100.l	even	20	2
450.2.l.b		8	75.l	even	20	2
1250.2.a.h		4	5.b	even	2	1
1250.2.a.i		4	1.a	even	1	1	trivial
1250.2.b.c		8	5.c	odd	4	2
10000.2.a.o		4	20.d	odd	2	1
10000.2.a.bb		4	4.b	odd	2	1

This newform subspace can be constructed as the kernel of the linear operator $T_{3}^{4} + 4T_{3}^{3} + T_{3}^{2} - 6T_{3} + 1$ T3^4 + 4*T3^3 + T3^2 - 6*T3 + 1 acting on $S_{2}^{\mathrm{new}}(\Gamma_0(1250))$ .

Hecke characteristic polynomials

$p$	$F_p(T)$
$2$	$(T - 1)^{4}$ (T - 1)^4
$3$	$T^{4} + 4 T^{3} + \cdots + 1$ T^4 + 4T^3 + T^2 - 6T + 1
$5$	$T^{4}$ T^4
$7$	$T^{4} + 8 T^{3} + \cdots - 19$ T^4 + 8T^3 + 14T^2 - 8*T - 19
$11$	$T^{4} + 2 T^{3} + \cdots - 59$ T^4 + 2T^3 - 26T^2 - 82*T - 59
$13$	$T^{4} + 14 T^{3} + \cdots + 41$ T^4 + 14T^3 + 66T^2 + 114*T + 41
$17$	$T^{4} + 8 T^{3} + \cdots + 1$ T^4 + 8T^3 + 19T^2 + 12*T + 1
$19$	$T^{4} - 15 T^{2} + \cdots + 5$ T^4 - 15T^2 + 10T + 5
$23$	$T^{4} + 4 T^{3} + \cdots + 1$ T^4 + 4T^3 - 14T^2 + 4*T + 1
$29$	$T^{4} + 10 T^{3} + \cdots - 95$ T^4 + 10T^3 + 10T^2 - 90*T - 95
$31$	$T^{4} - 8 T^{3} + \cdots - 19$ T^4 - 8T^3 - 6T^2 + 48*T - 19
$37$	$T^{4} + 18 T^{3} + \cdots + 241$ T^4 + 18T^3 + 109T^2 + 272*T + 241
$41$	$T^{4} + 12 T^{3} + \cdots - 5339$ T^4 + 12T^3 - 86T^2 - 1612*T - 5339
$43$	$T^{4} + 14 T^{3} + \cdots - 1919$ T^4 + 14T^3 - 14T^2 - 726*T - 1919
$47$	$T^{4} + 8 T^{3} + \cdots - 2939$ T^4 + 8T^3 - 106T^2 - 1208*T - 2939
$53$	$T^{4} + 4 T^{3} + \cdots - 64$ T^4 + 4T^3 - 24T^2 - 96*T - 64
$59$	$T^{4} - 80T^{2} + 1280$ T^4 - 80*T^2 + 1280
$61$	$T^{4} + 2 T^{3} + \cdots + 181$ T^4 + 2T^3 - 71T^2 - 12*T + 181
$67$	$T^{4} - 2 T^{3} + \cdots - 59$ T^4 - 2T^3 - 26T^2 + 82*T - 59
$71$	$T^{4} - 8 T^{3} + \cdots + 1021$ T^4 - 8T^3 - 86T^2 + 288*T + 1021
$73$	$T^{4} + 24 T^{3} + \cdots - 304$ T^4 + 24T^3 + 136T^2 - 96*T - 304
$79$	$T^{4} - 20 T^{3} + \cdots - 4720$ T^4 - 20T^3 + 40T^2 + 1040*T - 4720
$83$	$T^{4} + 14 T^{3} + \cdots - 4139$ T^4 + 14T^3 - 114T^2 - 1766*T - 4139
$89$	$(T^{2} + 10 T - 20)^{2}$ (T^2 + 10*T - 20)^2
$97$	$T^{4} + 28 T^{3} + \cdots + 361$ T^4 + 28T^3 + 259T^2 + 832*T + 361
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Classical	Maass
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Elliptic curves over $\Q$
Elliptic curves over $\Q(\alpha)$
Genus 2 curves over $\Q$
Higher genus families
Abelian varieties over $\F_{q}$

$f(q)$	$=$	$q + q^{2} + (\beta_1 - 1) q^{3} + q^{4} + (\beta_1 - 1) q^{6} + ( - \beta_{3} - \beta_1 - 2) q^{7} + q^{8} + (\beta_{2} - 2 \beta_1 + 1) q^{9} + (2 \beta_{3} - \beta_{2} - \beta_1 - 1) q^{11} + (\beta_1 - 1) q^{12}+ \cdots + (\beta_{3} - 7 \beta_{2} + 3 \beta_1) q^{99}+O(q^{100})$ q + q^2 + (b1 - 1) * q^3 + q^4 + (b1 - 1) * q^6 + (-b3 - b1 - 2) * q^7 + q^8 + (b2 - 2b1 + 1) q^9 + (2b3 - b2 - b1 - 1) q^11 + (b1 - 1) * q^12 + (b3 - b2 - 4) * q^13 + (-b3 - b1 - 2) * q^14 + q^16 + (-b3 - 2) * q^17 + (b2 - 2b1 + 1) q^18 + (-b3 + 2b2 + 1) q^19 + (b3 - 3b2 - b1 - 2) q^21 + (2b3 - b2 - b1 - 1) q^22 + (b3 + 2b2 - b1) q^23 + (b1 - 1) * q^24 + (b3 - b2 - 4) * q^26 + (b3 - 3b2 - 4) q^27 + (-b3 - b1 - 2) * q^28 + (3b2 + b1 - 1) q^29 + (-2b3 - 2b2 + 1) * q^31 + q^32 + (-3b3 + 4b2) * q^33 + (-b3 - 2) * q^34 + (b2 - 2b1 + 1) q^36 + (b3 - b2 + b1 - 5) * q^37 + (-b3 + 2b2 + 1) q^38 + (-2b3 + 3b2 - 4b1 + 5) q^39 + (-4b3 - 4b2 + 2b1 - 5) q^41 + (b3 - 3b2 - b1 - 2) q^42 + (3b3 + 3b2 + 2b1 - 2) q^43 + (2b3 - b2 - b1 - 1) q^44 + (b3 + 2b2 - b1) q^46 + (-3b3 - 4b2 + 3b1 - 4) q^47 + (b1 - 1) * q^48 + (4b3 + 4b2 + 4b1 + 4) q^49 + (b3 - 2b2 - 2b1 + 1) * q^51 + (b3 - b2 - 4) * q^52 + (2b2 + 2b1) * q^53 + (b3 - 3b2 - 4) q^54 + (-b3 - b1 - 2) * q^56 + (3b3 - 4b2 + b1 - 2) * q^57 + (3b2 + b1 - 1) q^58 - 4b3 q^59 + (3b3 - 3b2 + b1 - 2) * q^61 + (-2b3 - 2b2 + 1) * q^62 + (-b3 + 4b2 + 2b1 + 6) * q^63 + q^64 + (-3b3 + 4b2) * q^66 + (-b3 - b2 - 2b1) q^67 + (-b3 - 2) * q^68 + (b3 - b2 + b1 - 2) * q^69 + (6b2 + 2b1 + 5) * q^71 + (b2 - 2b1 + 1) q^72 + (-4b3 - 6) q^73 + (b3 - b2 + b1 - 5) * q^74 + (-b3 + 2b2 + 1) q^76 + (-3b3 + 3b2 + 4b1) q^77 + (-2b3 + 3b2 - 4b1 + 5) q^78 + (2b3 - 2b2 + 4b1 + 4) q^79 + (-4b3 + 2b2 + 2b1 + 2) q^81 + (-4b3 - 4b2 + 2b1 - 5) q^82 + (5b3 - 5b2 - 6) * q^83 + (b3 - 3b2 - b1 - 2) q^84 + (3b3 + 3b2 + 2b1 - 2) q^86 + (3b3 - 2b2 - 2b1 + 4) q^87 + (2b3 - b2 - b1 - 1) q^88 + (-6b2 - 8) q^89 + (2b3 + b2 + 5b1 + 5) * q^91 + (b3 + 2b2 - b1) q^92 + (-2b2 + b1 - 3) q^93 + (-3b3 - 4b2 + 3b1 - 4) q^94 + (b1 - 1) * q^96 + (-2b3 + 2b2 - b1 - 6) * q^97 + (4b3 + 4b2 + 4b1 + 4) q^98 + (b3 - 7b2 + 3b1) * q^99
$\operatorname{Tr}(f)(q)$	$=$	$4 q + 4 q^{2} - 4 q^{3} + 4 q^{4} - 4 q^{6} - 8 q^{7} + 4 q^{8} + 2 q^{9} - 2 q^{11} - 4 q^{12} - 14 q^{13} - 8 q^{14} + 4 q^{16} - 8 q^{17} + 2 q^{18} - 2 q^{21} - 2 q^{22} - 4 q^{23} - 4 q^{24} - 14 q^{26}+ \cdots + 14 q^{99}+O(q^{100})$ 4 * q + 4 * q^2 - 4 * q^3 + 4 * q^4 - 4 * q^6 - 8 * q^7 + 4 * q^8 + 2 * q^9 - 2 * q^11 - 4 * q^12 - 14 * q^13 - 8 * q^14 + 4 * q^16 - 8 * q^17 + 2 * q^18 - 2 * q^21 - 2 * q^22 - 4 * q^23 - 4 * q^24 - 14 * q^26 - 10 * q^27 - 8 * q^28 - 10 * q^29 + 8 * q^31 + 4 * q^32 - 8 * q^33 - 8 * q^34 + 2 * q^36 - 18 * q^37 + 14 * q^39 - 12 * q^41 - 2 * q^42 - 14 * q^43 - 2 * q^44 - 4 * q^46 - 8 * q^47 - 4 * q^48 + 8 * q^49 + 8 * q^51 - 14 * q^52 - 4 * q^53 - 10 * q^54 - 8 * q^56 - 10 * q^58 - 2 * q^61 + 8 * q^62 + 16 * q^63 + 4 * q^64 - 8 * q^66 + 2 * q^67 - 8 * q^68 - 6 * q^69 + 8 * q^71 + 2 * q^72 - 24 * q^73 - 18 * q^74 - 6 * q^77 + 14 * q^78 + 20 * q^79 + 4 * q^81 - 12 * q^82 - 14 * q^83 - 2 * q^84 - 14 * q^86 + 20 * q^87 - 2 * q^88 - 20 * q^89 + 18 * q^91 - 4 * q^92 - 8 * q^93 - 8 * q^94 - 4 * q^96 - 28 * q^97 + 8 * q^98 + 14 * q^99

$\beta_{1}$	$=$	$\nu$ v
$\beta_{2}$	$=$	$\nu^{2} - 3$ v^2 - 3
$\beta_{3}$	$=$	$\nu^{3} - 3\nu$ v^3 - 3*v

Introduction

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Modular forms

Varieties

Fields

Representations

Groups

Database

Properties

Related objects

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Newspace parameters

Newform invariants

$q$ -expansion

Embeddings

Atkin-Lehner signs

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	1250.2.a.i

Level	$1250$
Weight	$2$
Character orbit	1250.a
Self dual	yes
Analytic conductor	$9.981$
Analytic rank	$1$
Dimension	$4$
CM	no
Inner twists	$1$

$\nu$	$=$	$\beta_1$ b1
$\nu^{2}$	$=$	$\beta_{2} + 3$ b2 + 3
$\nu^{3}$	$=$	$\beta_{3} + 3\beta_1$ b3 + 3*b1

$n$ :		e.g. 2-40 or 990-1000
Significant digits:
Format: