Properties

Label 490.6.a.b
Level 490490
Weight 66
Character orbit 490.a
Self dual yes
Analytic conductor 78.58878.588
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] = [490,6,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, 6, 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, 6); N := Newforms(S);
 
Level: N N == 490=2572 490 = 2 \cdot 5 \cdot 7^{2}
Weight: k k == 6 6
Character orbit: [χ][\chi] == 490.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [1,-4,-18] 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: 78.588071708478.5880717084
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) == q4q218q3+16q4+25q5+72q664q8+81q9100q10505q11288q12897q13450q15+256q16782q17324q18+1683q19+400q20+40905q99+O(q100) q - 4 q^{2} - 18 q^{3} + 16 q^{4} + 25 q^{5} + 72 q^{6} - 64 q^{8} + 81 q^{9} - 100 q^{10} - 505 q^{11} - 288 q^{12} - 897 q^{13} - 450 q^{15} + 256 q^{16} - 782 q^{17} - 324 q^{18} + 1683 q^{19} + 400 q^{20}+ \cdots - 40905 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
−4.00000 −18.0000 16.0000 25.0000 72.0000 0 −64.0000 81.0000 −100.000
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 490.6.a.b 1
7.b odd 2 1 490.6.a.h 1
7.c even 3 2 70.6.e.b 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
70.6.e.b 2 7.c even 3 2
490.6.a.b 1 1.a even 1 1 trivial
490.6.a.h 1 7.b odd 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator T3+18 T_{3} + 18 acting on S6new(Γ0(490))S_{6}^{\mathrm{new}}(\Gamma_0(490)). Copy content Toggle raw display

Hecke characteristic polynomials

pp Fp(T)F_p(T)
22 T+4 T + 4 Copy content Toggle raw display
33 T+18 T + 18 Copy content Toggle raw display
55 T25 T - 25 Copy content Toggle raw display
77 T T Copy content Toggle raw display
1111 T+505 T + 505 Copy content Toggle raw display
1313 T+897 T + 897 Copy content Toggle raw display
1717 T+782 T + 782 Copy content Toggle raw display
1919 T1683 T - 1683 Copy content Toggle raw display
2323 T+1371 T + 1371 Copy content Toggle raw display
2929 T4374 T - 4374 Copy content Toggle raw display
3131 T+7600 T + 7600 Copy content Toggle raw display
3737 T+11263 T + 11263 Copy content Toggle raw display
4141 T+13493 T + 13493 Copy content Toggle raw display
4343 T+6830 T + 6830 Copy content Toggle raw display
4747 T+19067 T + 19067 Copy content Toggle raw display
5353 T12569 T - 12569 Copy content Toggle raw display
5959 T+26488 T + 26488 Copy content Toggle raw display
6161 T+18224 T + 18224 Copy content Toggle raw display
6767 T+13032 T + 13032 Copy content Toggle raw display
7171 T77056 T - 77056 Copy content Toggle raw display
7373 T2540 T - 2540 Copy content Toggle raw display
7979 T+530 T + 530 Copy content Toggle raw display
8383 T+78344 T + 78344 Copy content Toggle raw display
8989 T90758 T - 90758 Copy content Toggle raw display
9797 T116750 T - 116750 Copy content Toggle raw display
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