Properties

Label 490.4.a.g
Level 490490
Weight 44
Character orbit 490.a
Self dual yes
Analytic conductor 28.91128.911
Analytic rank 00
Dimension 11
CM no
Inner twists 11

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Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [490,4,Mod(1,490)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("490.1"); S:= CuspForms(chi, 4); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(490, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0])) N = Newforms(chi, 4, names="a")
 
Level: N N == 490=2572 490 = 2 \cdot 5 \cdot 7^{2}
Weight: k k == 4 4
Character orbit: [χ][\chi] == 490.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [1,-2,8,4,5,-16,0,-8,37,-10,68] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(11)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: 28.910935902828.9109359028
Analytic rank: 00
Dimension: 11
Coefficient field: Q\mathbb{Q}
Coefficient ring: Z\mathbb{Z}
Coefficient ring index: 1 1
Twist minimal: no (minimal twist has level 70)
Fricke sign: +1+1
Sato-Tate group: SU(2)\mathrm{SU}(2)

qq-expansion

Copy content comment:q-expansion
 
Copy content sage:f.q_expansion() # note that sage often uses an isomorphic number field
 
Copy content gp:mfcoefs(f, 20)
 
f(q)f(q) == q2q2+8q3+4q4+5q516q68q8+37q910q10+68q11+32q1234q13+40q15+16q1674q1774q18+128q19+20q20136q22++2516q99+O(q100) q - 2 q^{2} + 8 q^{3} + 4 q^{4} + 5 q^{5} - 16 q^{6} - 8 q^{8} + 37 q^{9} - 10 q^{10} + 68 q^{11} + 32 q^{12} - 34 q^{13} + 40 q^{15} + 16 q^{16} - 74 q^{17} - 74 q^{18} + 128 q^{19} + 20 q^{20} - 136 q^{22}+ \cdots + 2516 q^{99}+O(q^{100}) Copy content Toggle raw display

Embeddings

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

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

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   ιm(ν)\iota_m(\nu) a2 a_{2} a3 a_{3} a4 a_{4} a5 a_{5} a6 a_{6} a7 a_{7} a8 a_{8} a9 a_{9} a10 a_{10}
1.1
0
−2.00000 8.00000 4.00000 5.00000 −16.0000 0 −8.00000 37.0000 −10.0000
nn: e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

p p Sign
22 +1 +1
55 1 -1
77 1 -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 490.4.a.g 1
5.b even 2 1 2450.4.a.x 1
7.b odd 2 1 70.4.a.a 1
7.c even 3 2 490.4.e.j 2
7.d odd 6 2 490.4.e.r 2
21.c even 2 1 630.4.a.s 1
28.d even 2 1 560.4.a.q 1
35.c odd 2 1 350.4.a.v 1
35.f even 4 2 350.4.c.n 2
56.e even 2 1 2240.4.a.d 1
56.h odd 2 1 2240.4.a.bi 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
70.4.a.a 1 7.b odd 2 1
350.4.a.v 1 35.c odd 2 1
350.4.c.n 2 35.f even 4 2
490.4.a.g 1 1.a even 1 1 trivial
490.4.e.j 2 7.c even 3 2
490.4.e.r 2 7.d odd 6 2
560.4.a.q 1 28.d even 2 1
630.4.a.s 1 21.c even 2 1
2240.4.a.d 1 56.e even 2 1
2240.4.a.bi 1 56.h odd 2 1
2450.4.a.x 1 5.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 S4new(Γ0(490))S_{4}^{\mathrm{new}}(\Gamma_0(490)):

T38 T_{3} - 8 Copy content Toggle raw display
T1168 T_{11} - 68 Copy content Toggle raw display

Hecke characteristic polynomials

pp Fp(T)F_p(T)
22 T+2 T + 2 Copy content Toggle raw display
33 T8 T - 8 Copy content Toggle raw display
55 T5 T - 5 Copy content Toggle raw display
77 T T Copy content Toggle raw display
1111 T68 T - 68 Copy content Toggle raw display
1313 T+34 T + 34 Copy content Toggle raw display
1717 T+74 T + 74 Copy content Toggle raw display
1919 T128 T - 128 Copy content Toggle raw display
2323 T+80 T + 80 Copy content Toggle raw display
2929 T286 T - 286 Copy content Toggle raw display
3131 T24 T - 24 Copy content Toggle raw display
3737 T294 T - 294 Copy content Toggle raw display
4141 T+66 T + 66 Copy content Toggle raw display
4343 T+124 T + 124 Copy content Toggle raw display
4747 T+312 T + 312 Copy content Toggle raw display
5353 T+34 T + 34 Copy content Toggle raw display
5959 T+168 T + 168 Copy content Toggle raw display
6161 T+170 T + 170 Copy content Toggle raw display
6767 T564 T - 564 Copy content Toggle raw display
7171 T616 T - 616 Copy content Toggle raw display
7373 T+250 T + 250 Copy content Toggle raw display
7979 T+944 T + 944 Copy content Toggle raw display
8383 T+672 T + 672 Copy content Toggle raw display
8989 T1430 T - 1430 Copy content Toggle raw display
9797 T1270 T - 1270 Copy content Toggle raw display
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