Properties

Label 490.8.a.c
Level 490490
Weight 88
Character orbit 490.a
Self dual yes
Analytic conductor 153.069153.069
Analytic rank 11
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] = [490,8,Mod(1,490)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
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, 8, names="a")
 
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, 8); N := Newforms(S);
 
Level: N N == 490=2572 490 = 2 \cdot 5 \cdot 7^{2}
Weight: k k == 8 8
Character orbit: [χ][\chi] == 490.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [1,8,-9] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(3)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: 153.068662487153.068662487
Analytic rank: 11
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) == q+8q29q3+64q4+125q572q6+512q82106q9+1000q102335q11576q12+327q131125q15+4096q16+29273q1716848q186378q19++4917510q99+O(q100) q + 8 q^{2} - 9 q^{3} + 64 q^{4} + 125 q^{5} - 72 q^{6} + 512 q^{8} - 2106 q^{9} + 1000 q^{10} - 2335 q^{11} - 576 q^{12} + 327 q^{13} - 1125 q^{15} + 4096 q^{16} + 29273 q^{17} - 16848 q^{18} - 6378 q^{19}+ \cdots + 4917510 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
8.00000 −9.00000 64.0000 125.000 −72.0000 0 512.000 −2106.00 1000.00
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 490.8.a.c 1
7.b odd 2 1 70.8.a.b 1
28.d even 2 1 560.8.a.a 1
35.c odd 2 1 350.8.a.a 1
35.f even 4 2 350.8.c.c 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
70.8.a.b 1 7.b odd 2 1
350.8.a.a 1 35.c odd 2 1
350.8.c.c 2 35.f even 4 2
490.8.a.c 1 1.a even 1 1 trivial
560.8.a.a 1 28.d even 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator T3+9 T_{3} + 9 acting on S8new(Γ0(490))S_{8}^{\mathrm{new}}(\Gamma_0(490)). Copy content Toggle raw display

Hecke characteristic polynomials

pp Fp(T)F_p(T)
22 T8 T - 8 Copy content Toggle raw display
33 T+9 T + 9 Copy content Toggle raw display
55 T125 T - 125 Copy content Toggle raw display
77 T T Copy content Toggle raw display
1111 T+2335 T + 2335 Copy content Toggle raw display
1313 T327 T - 327 Copy content Toggle raw display
1717 T29273 T - 29273 Copy content Toggle raw display
1919 T+6378 T + 6378 Copy content Toggle raw display
2323 T+10350 T + 10350 Copy content Toggle raw display
2929 T+118509 T + 118509 Copy content Toggle raw display
3131 T81364 T - 81364 Copy content Toggle raw display
3737 T14354 T - 14354 Copy content Toggle raw display
4141 T79964 T - 79964 Copy content Toggle raw display
4343 T+241706 T + 241706 Copy content Toggle raw display
4747 T+338041 T + 338041 Copy content Toggle raw display
5353 T+1344172 T + 1344172 Copy content Toggle raw display
5959 T+1722056 T + 1722056 Copy content Toggle raw display
6161 T+328528 T + 328528 Copy content Toggle raw display
6767 T+93468 T + 93468 Copy content Toggle raw display
7171 T+666920 T + 666920 Copy content Toggle raw display
7373 T+4750946 T + 4750946 Copy content Toggle raw display
7979 T5507107 T - 5507107 Copy content Toggle raw display
8383 T+5460292 T + 5460292 Copy content Toggle raw display
8989 T+6010796 T + 6010796 Copy content Toggle raw display
9797 T+1936235 T + 1936235 Copy content Toggle raw display
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