Properties

Label 490.2.a.h
Level $490$
Weight $2$
Character orbit 490.a
Self dual yes
Analytic conductor $3.913$
Analytic rank $0$
Dimension $1$
CM no
Inner twists $1$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [490,2,Mod(1,490)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(490, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("490.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 490 = 2 \cdot 5 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 490.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: \(3.91266969904\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 70)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 
\(f(q)\) \(=\) \( q + q^{2} + q^{4} + q^{5} + q^{8} - 3 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + q^{2} + q^{4} + q^{5} + q^{8} - 3 q^{9} + q^{10} + 4 q^{11} + 6 q^{13} + q^{16} - 2 q^{17} - 3 q^{18} + q^{20} + 4 q^{22} + q^{25} + 6 q^{26} + 6 q^{29} - 8 q^{31} + q^{32} - 2 q^{34} - 3 q^{36} - 10 q^{37} + q^{40} - 2 q^{41} + 4 q^{43} + 4 q^{44} - 3 q^{45} - 8 q^{47} + q^{50} + 6 q^{52} - 2 q^{53} + 4 q^{55} + 6 q^{58} + 8 q^{59} + 14 q^{61} - 8 q^{62} + q^{64} + 6 q^{65} - 12 q^{67} - 2 q^{68} - 16 q^{71} - 3 q^{72} - 2 q^{73} - 10 q^{74} - 8 q^{79} + q^{80} + 9 q^{81} - 2 q^{82} - 8 q^{83} - 2 q^{85} + 4 q^{86} + 4 q^{88} - 10 q^{89} - 3 q^{90} - 8 q^{94} - 2 q^{97} - 12 q^{99}+O(q^{100}) \) Copy content Toggle raw display

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
0
1.00000 0 1.00000 1.00000 0 0 1.00000 −3.00000 1.00000
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(5\) \(-1\)
\(7\) \(-1\)

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 490.2.a.h 1
3.b odd 2 1 4410.2.a.b 1
4.b odd 2 1 3920.2.a.t 1
5.b even 2 1 2450.2.a.l 1
5.c odd 4 2 2450.2.c.k 2
7.b odd 2 1 70.2.a.a 1
7.c even 3 2 490.2.e.c 2
7.d odd 6 2 490.2.e.d 2
21.c even 2 1 630.2.a.d 1
28.d even 2 1 560.2.a.d 1
35.c odd 2 1 350.2.a.b 1
35.f even 4 2 350.2.c.b 2
56.e even 2 1 2240.2.a.q 1
56.h odd 2 1 2240.2.a.n 1
77.b even 2 1 8470.2.a.j 1
84.h odd 2 1 5040.2.a.bm 1
105.g even 2 1 3150.2.a.bj 1
105.k odd 4 2 3150.2.g.c 2
140.c even 2 1 2800.2.a.m 1
140.j odd 4 2 2800.2.g.n 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
70.2.a.a 1 7.b odd 2 1
350.2.a.b 1 35.c odd 2 1
350.2.c.b 2 35.f even 4 2
490.2.a.h 1 1.a even 1 1 trivial
490.2.e.c 2 7.c even 3 2
490.2.e.d 2 7.d odd 6 2
560.2.a.d 1 28.d even 2 1
630.2.a.d 1 21.c even 2 1
2240.2.a.n 1 56.h odd 2 1
2240.2.a.q 1 56.e even 2 1
2450.2.a.l 1 5.b even 2 1
2450.2.c.k 2 5.c odd 4 2
2800.2.a.m 1 140.c even 2 1
2800.2.g.n 2 140.j odd 4 2
3150.2.a.bj 1 105.g even 2 1
3150.2.g.c 2 105.k odd 4 2
3920.2.a.t 1 4.b odd 2 1
4410.2.a.b 1 3.b odd 2 1
5040.2.a.bm 1 84.h odd 2 1
8470.2.a.j 1 77.b even 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(490))\):

\( T_{3} \) Copy content Toggle raw display
\( T_{11} - 4 \) Copy content Toggle raw display
\( T_{13} - 6 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T - 1 \) Copy content Toggle raw display
$3$ \( T \) Copy content Toggle raw display
$5$ \( T - 1 \) Copy content Toggle raw display
$7$ \( T \) Copy content Toggle raw display
$11$ \( T - 4 \) Copy content Toggle raw display
$13$ \( T - 6 \) Copy content Toggle raw display
$17$ \( T + 2 \) Copy content Toggle raw display
$19$ \( T \) Copy content Toggle raw display
$23$ \( T \) Copy content Toggle raw display
$29$ \( T - 6 \) Copy content Toggle raw display
$31$ \( T + 8 \) Copy content Toggle raw display
$37$ \( T + 10 \) Copy content Toggle raw display
$41$ \( T + 2 \) Copy content Toggle raw display
$43$ \( T - 4 \) Copy content Toggle raw display
$47$ \( T + 8 \) Copy content Toggle raw display
$53$ \( T + 2 \) Copy content Toggle raw display
$59$ \( T - 8 \) Copy content Toggle raw display
$61$ \( T - 14 \) Copy content Toggle raw display
$67$ \( T + 12 \) Copy content Toggle raw display
$71$ \( T + 16 \) Copy content Toggle raw display
$73$ \( T + 2 \) Copy content Toggle raw display
$79$ \( T + 8 \) Copy content Toggle raw display
$83$ \( T + 8 \) Copy content Toggle raw display
$89$ \( T + 10 \) Copy content Toggle raw display
$97$ \( T + 2 \) Copy content Toggle raw display
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