Properties

Label 490.6.a.j
Level $490$
Weight $6$
Character orbit 490.a
Self dual yes
Analytic conductor $78.588$
Analytic rank $1$
Dimension $1$
CM no
Inner twists $1$

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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 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);
 
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")
 
Level: \( N \) \(=\) \( 490 = 2 \cdot 5 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 490.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [1,-4,26] 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: \(78.5880717084\)
Analytic rank: \(1\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 10)
Fricke sign: \(+1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-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)
 
\(f(q)\) \(=\) \( q - 4 q^{2} + 26 q^{3} + 16 q^{4} + 25 q^{5} - 104 q^{6} - 64 q^{8} + 433 q^{9} - 100 q^{10} - 768 q^{11} + 416 q^{12} + 46 q^{13} + 650 q^{15} + 256 q^{16} - 378 q^{17} - 1732 q^{18} - 1100 q^{19} + 400 q^{20}+ \cdots - 332544 q^{99}+O(q^{100}) \) 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.

Copy content comment:embeddings in the coefficient field
 
Copy content 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
−4.00000 26.0000 16.0000 25.0000 −104.000 0 −64.0000 433.000 −100.000
\(n\): 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 490.6.a.j 1
7.b odd 2 1 10.6.a.a 1
21.c even 2 1 90.6.a.f 1
28.d even 2 1 80.6.a.h 1
35.c odd 2 1 50.6.a.g 1
35.f even 4 2 50.6.b.d 2
56.e even 2 1 320.6.a.a 1
56.h odd 2 1 320.6.a.p 1
84.h odd 2 1 720.6.a.r 1
105.g even 2 1 450.6.a.h 1
105.k odd 4 2 450.6.c.o 2
140.c even 2 1 400.6.a.a 1
140.j odd 4 2 400.6.c.a 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
10.6.a.a 1 7.b odd 2 1
50.6.a.g 1 35.c odd 2 1
50.6.b.d 2 35.f even 4 2
80.6.a.h 1 28.d even 2 1
90.6.a.f 1 21.c even 2 1
320.6.a.a 1 56.e even 2 1
320.6.a.p 1 56.h odd 2 1
400.6.a.a 1 140.c even 2 1
400.6.c.a 2 140.j odd 4 2
450.6.a.h 1 105.g even 2 1
450.6.c.o 2 105.k odd 4 2
490.6.a.j 1 1.a even 1 1 trivial
720.6.a.r 1 84.h odd 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3} - 26 \) acting on \(S_{6}^{\mathrm{new}}(\Gamma_0(490))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T + 4 \) Copy content Toggle raw display
$3$ \( T - 26 \) Copy content Toggle raw display
$5$ \( T - 25 \) Copy content Toggle raw display
$7$ \( T \) Copy content Toggle raw display
$11$ \( T + 768 \) Copy content Toggle raw display
$13$ \( T - 46 \) Copy content Toggle raw display
$17$ \( T + 378 \) Copy content Toggle raw display
$19$ \( T + 1100 \) Copy content Toggle raw display
$23$ \( T + 1986 \) Copy content Toggle raw display
$29$ \( T + 5610 \) Copy content Toggle raw display
$31$ \( T - 3988 \) Copy content Toggle raw display
$37$ \( T + 142 \) Copy content Toggle raw display
$41$ \( T + 1542 \) Copy content Toggle raw display
$43$ \( T + 5026 \) Copy content Toggle raw display
$47$ \( T + 24738 \) Copy content Toggle raw display
$53$ \( T + 14166 \) Copy content Toggle raw display
$59$ \( T + 28380 \) Copy content Toggle raw display
$61$ \( T + 5522 \) Copy content Toggle raw display
$67$ \( T + 24742 \) Copy content Toggle raw display
$71$ \( T - 42372 \) Copy content Toggle raw display
$73$ \( T - 52126 \) Copy content Toggle raw display
$79$ \( T + 39640 \) Copy content Toggle raw display
$83$ \( T - 59826 \) Copy content Toggle raw display
$89$ \( T + 57690 \) Copy content Toggle raw display
$97$ \( T - 144382 \) Copy content Toggle raw display
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