LMFDB - Newform orbit 425.2.n.a

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [425,2,Mod(49,425)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(425, base_ring=CyclotomicField(8))

chi = DirichletCharacter(H, H._module([4, 3]))

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

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

chi := DirichletCharacter("425.49");

S:= CuspForms(chi, 2);

N := Newforms(S);

Level:	$ N $	$=$	$ 425 = 5^{2} \cdot 17 $
Weight:	$ k $	$=$	$ 2 $
Character orbit:	$[\chi]$	$=$	425.n (of order $8$, degree $4$, 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:	$3.39364208590$
Analytic rank:	$1$
Dimension:	$4$
Coefficient field:	$\Q(\zeta_{8})$
comment: defining polynomial gp: f.mod \\ as an extension of the character field
Defining polynomial:	$ x^{4} + 1 $ x^4 + 1
Coefficient ring:	$\Z[a_1, a_2, a_3]$
Coefficient ring index:	$ 1 $
Twist minimal:	no (minimal twist has level 17)
Sato-Tate group:	$\mathrm{SU}(2)[C_{8}]$

Character values

We give the values of $\chi$ on generators for $\left(\mathbb{Z}/425\mathbb{Z}\right)^\times$.

$n$	$52$	$326$
$\chi(n)$	$-1$	$\zeta_{8}$

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} $

49.1

−0.707107	+	0.707107i
0.707107	−	0.707107i
0.707107	+	0.707107i
−0.707107	−	0.707107i

−1.70711

1.70711i

−1.00000

0.414214i

−

3.82843i

1.00000

−

2.41421i

−1.00000

2.41421i

3.12132

3.12132i

−1.29289

1.29289i

274.1

−0.292893

0.292893i

−1.00000

−

2.41421i

1.82843i

1.00000

0.414214i

−1.00000

−

0.414214i

−1.12132

−

1.12132i

−2.70711

2.70711i

349.1

−0.292893

−

0.292893i

−1.00000

2.41421i

−

1.82843i

1.00000

−

0.414214i

−1.00000

0.414214i

−1.12132

1.12132i

−2.70711

−

2.70711i

399.1

−1.70711

−

1.70711i

−1.00000

−

0.414214i

3.82843i

1.00000

2.41421i

−1.00000

−

2.41421i

3.12132

−

3.12132i

−1.29289

−

1.29289i

Inner twists

Char	Parity	Ord	Mult	Type
1.a	even	1	1	trivial
85.m	even	8	1	inner

Twists

By twisting character orbit
Char	Parity	Ord	Mult	Type	Twist	Min	Dim
1.a	even	1	1	trivial	425.2.n.a		4
5.b	even	2	1		425.2.n.b		4
5.c	odd	4	1		17.2.d.a	✓	4
5.c	odd	4	1		425.2.m.a		4
15.e	even	4	1		153.2.l.c		4
17.d	even	8	1		425.2.n.b		4
20.e	even	4	1		272.2.v.d		4
35.f	even	4	1		833.2.l.a		4
35.k	even	12	2		833.2.v.a		8
35.l	odd	12	2		833.2.v.b		8
85.f	odd	4	1		289.2.d.c		4
85.g	odd	4	1		289.2.d.a		4
85.i	odd	4	1		289.2.d.b		4
85.k	odd	8	1		289.2.d.b		4
85.k	odd	8	1		289.2.d.c		4
85.k	odd	8	1		425.2.m.a		4
85.m	even	8	1	inner	425.2.n.a		4
85.n	odd	8	1		17.2.d.a	✓	4
85.n	odd	8	1		289.2.d.a		4
85.o	even	16	4		289.2.c.c		8
85.o	even	16	2		7225.2.a.u		4
85.r	even	16	2		289.2.a.f		4
85.r	even	16	2		289.2.b.b		4
255.v	even	8	1		153.2.l.c		4
255.bj	odd	16	2		2601.2.a.bb		4
340.w	even	8	1		272.2.v.d		4
340.bj	odd	16	2		4624.2.a.bp		4
595.bj	even	8	1		833.2.l.a		4
595.ce	odd	24	2		833.2.v.b		8
595.cf	even	24	2		833.2.v.a		8

By twisted newform orbit
Twist	Min	Dim	Char	Parity	Ord	Mult	Type
17.2.d.a	✓	4	5.c	odd	4	1
17.2.d.a	✓	4	85.n	odd	8	1
153.2.l.c		4	15.e	even	4	1
153.2.l.c		4	255.v	even	8	1
272.2.v.d		4	20.e	even	4	1
272.2.v.d		4	340.w	even	8	1
289.2.a.f		4	85.r	even	16	2
289.2.b.b		4	85.r	even	16	2
289.2.c.c		8	85.o	even	16	4
289.2.d.a		4	85.g	odd	4	1
289.2.d.a		4	85.n	odd	8	1
289.2.d.b		4	85.i	odd	4	1
289.2.d.b		4	85.k	odd	8	1
289.2.d.c		4	85.f	odd	4	1
289.2.d.c		4	85.k	odd	8	1
425.2.m.a		4	5.c	odd	4	1
425.2.m.a		4	85.k	odd	8	1
425.2.n.a		4	1.a	even	1	1	trivial
425.2.n.a		4	85.m	even	8	1	inner
425.2.n.b		4	5.b	even	2	1
425.2.n.b		4	17.d	even	8	1
833.2.l.a		4	35.f	even	4	1
833.2.l.a		4	595.bj	even	8	1
833.2.v.a		8	35.k	even	12	2
833.2.v.a		8	595.cf	even	24	2
833.2.v.b		8	35.l	odd	12	2
833.2.v.b		8	595.ce	odd	24	2
2601.2.a.bb		4	255.bj	odd	16	2
4624.2.a.bp		4	340.bj	odd	16	2
7225.2.a.u		4	85.o	even	16	2

This newform subspace can be constructed as the kernel of the linear operator $ T_{2}^{4} + 4T_{2}^{3} + 8T_{2}^{2} + 4T_{2} + 1 $ T2^4 + 4*T2^3 + 8*T2^2 + 4*T2 + 1 acting on $S_{2}^{\mathrm{new}}(425, [\chi])$.

Hecke characteristic polynomials

$p$	$F_p(T)$
$2$	$ T^{4} + 4 T^{3} + \cdots + 1 $ T^4 + 4T^3 + 8T^2 + 4*T + 1
$3$	$ T^{4} + 4 T^{3} + \cdots + 8 $ T^4 + 4T^3 + 12T^2 + 16*T + 8
$5$	$ T^{4} $ T^4
$7$	$ T^{4} + 4 T^{3} + \cdots + 8 $ T^4 + 4T^3 + 12T^2 + 16*T + 8
$11$	$ T^{4} + 4 T^{3} + \cdots + 8 $ T^4 + 4T^3 + 12T^2 + 16*T + 8
$13$	$ (T^{2} - 2)^{2} $ (T^2 - 2)^2
$17$	$ (T^{2} + 6 T + 17)^{2} $ (T^2 + 6*T + 17)^2
$19$	$ T^{4} + 8 T^{3} + \cdots + 16 $ T^4 + 8T^3 + 32T^2 + 32*T + 16
$23$	$ T^{4} + 12 T^{3} + \cdots + 392 $ T^4 + 12T^3 + 68T^2 + 224*T + 392
$29$	$ T^{4} - 4 T^{3} + \cdots + 2 $ T^4 - 4T^3 + 22T^2 - 12*T + 2
$31$	$ T^{4} + 12 T^{3} + \cdots + 648 $ T^4 + 12T^3 + 108T^2 + 432*T + 648
$37$	$ T^{4} - 20 T^{3} + \cdots + 1250 $ T^4 - 20T^3 + 150T^2 - 500*T + 1250
$41$	$ T^{4} + 4 T^{3} + \cdots + 98 $ T^4 + 4T^3 + 54T^2 - 140*T + 98
$43$	$ T^{4} + 8 T^{3} + \cdots + 16 $ T^4 + 8T^3 + 32T^2 + 32*T + 16
$47$	$ (T^{2} + 16 T + 56)^{2} $ (T^2 + 16*T + 56)^2
$53$	$ (T^{2} - 2 T + 2)^{2} $ (T^2 - 2*T + 2)^2
$59$	$ T^{4} + 1296 $ T^4 + 1296
$61$	$ T^{4} + 50 T^{2} + \cdots + 1250 $ T^4 + 50T^2 + 500T + 1250
$67$	$ T^{4} + 48T^{2} + 64 $ T^4 + 48*T^2 + 64
$71$	$ T^{4} - 20 T^{3} + \cdots + 5000 $ T^4 - 20T^3 + 100T^2 + 5000
$73$	$ T^{4} + 98 T^{2} + \cdots + 4802 $ T^4 + 98T^2 - 1372T + 4802
$79$	$ T^{4} - 4 T^{3} + \cdots + 392 $ T^4 - 4T^3 + 12T^2 - 112*T + 392
$83$	$ T^{4} + 16 T^{3} + \cdots + 16 $ T^4 + 16T^3 + 128T^2 - 64*T + 16
$89$	$ T^{4} + 132T^{2} + 3844 $ T^4 + 132*T^2 + 3844
$97$	$ T^{4} - 4 T^{3} + \cdots + 4418 $ T^4 - 4T^3 + 54T^2 - 940*T + 4418
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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 $\F_{q}$

Level:	\( N \)	\(=\)	\( 425 = 5^{2} \cdot 17 \)
Weight:	\( k \)	\(=\)	\( 2 \)
Character orbit:	\([\chi]\)	\(=\)	425.n (of order \(8\), degree \(4\), not minimal)

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

Introduction

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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	425.2.n.a

Level	$425$
Weight	$2$
Character orbit	425.n
Analytic conductor	$3.394$
Analytic rank	$1$
Dimension	$4$
CM	no
Inner twists	$2$

Self dual:	no
Analytic conductor:	\(3.39364208590\)
Analytic rank:	\(1\)
Dimension:	\(4\)
Coefficient field:	\(\Q(\zeta_{8})\)
comment: defining polynomial gp: f.mod \\ as an extension of the character field
Defining polynomial:	\( x^{4} + 1 \) x^4 + 1
Coefficient ring:	\(\Z[a_1, a_2, a_3]\)
Coefficient ring index:	\( 1 \)
Twist minimal:	no (minimal twist has level 17)
Sato-Tate group:	$\mathrm{SU}(2)[C_{8}]$

$p$	$F_p(T)$
$2$	\( T^{4} + 4 T^{3} + \cdots + 1 \) T^4 + 4T^3 + 8T^2 + 4*T + 1
$3$	\( T^{4} + 4 T^{3} + \cdots + 8 \) T^4 + 4T^3 + 12T^2 + 16*T + 8
$5$	\( T^{4} \) T^4
$7$	\( T^{4} + 4 T^{3} + \cdots + 8 \) T^4 + 4T^3 + 12T^2 + 16*T + 8
$11$	\( T^{4} + 4 T^{3} + \cdots + 8 \) T^4 + 4T^3 + 12T^2 + 16*T + 8
$13$	\( (T^{2} - 2)^{2} \) (T^2 - 2)^2
$17$	\( (T^{2} + 6 T + 17)^{2} \) (T^2 + 6*T + 17)^2
$19$	\( T^{4} + 8 T^{3} + \cdots + 16 \) T^4 + 8T^3 + 32T^2 + 32*T + 16
$23$	\( T^{4} + 12 T^{3} + \cdots + 392 \) T^4 + 12T^3 + 68T^2 + 224*T + 392
$29$	\( T^{4} - 4 T^{3} + \cdots + 2 \) T^4 - 4T^3 + 22T^2 - 12*T + 2
$31$	\( T^{4} + 12 T^{3} + \cdots + 648 \) T^4 + 12T^3 + 108T^2 + 432*T + 648
$37$	\( T^{4} - 20 T^{3} + \cdots + 1250 \) T^4 - 20T^3 + 150T^2 - 500*T + 1250
$41$	\( T^{4} + 4 T^{3} + \cdots + 98 \) T^4 + 4T^3 + 54T^2 - 140*T + 98
$43$	\( T^{4} + 8 T^{3} + \cdots + 16 \) T^4 + 8T^3 + 32T^2 + 32*T + 16
$47$	\( (T^{2} + 16 T + 56)^{2} \) (T^2 + 16*T + 56)^2
$53$	\( (T^{2} - 2 T + 2)^{2} \) (T^2 - 2*T + 2)^2
$59$	\( T^{4} + 1296 \) T^4 + 1296
$61$	\( T^{4} + 50 T^{2} + \cdots + 1250 \) T^4 + 50T^2 + 500T + 1250
$67$	\( T^{4} + 48T^{2} + 64 \) T^4 + 48*T^2 + 64
$71$	\( T^{4} - 20 T^{3} + \cdots + 5000 \) T^4 - 20T^3 + 100T^2 + 5000
$73$	\( T^{4} + 98 T^{2} + \cdots + 4802 \) T^4 + 98T^2 - 1372T + 4802
$79$	\( T^{4} - 4 T^{3} + \cdots + 392 \) T^4 - 4T^3 + 12T^2 - 112*T + 392
$83$	\( T^{4} + 16 T^{3} + \cdots + 16 \) T^4 + 16T^3 + 128T^2 - 64*T + 16
$89$	\( T^{4} + 132T^{2} + 3844 \) T^4 + 132*T^2 + 3844
$97$	\( T^{4} - 4 T^{3} + \cdots + 4418 \) T^4 - 4T^3 + 54T^2 - 940*T + 4418
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\(n\)	\(52\)	\(326\)
\(\chi(n)\)	\(-1\)	\(\zeta_{8}\)

\(n\):		e.g. 2-40 or 990-1000
Significant digits:
Format: