Properties

Label 9280.2.a.cr
Level $9280$
Weight $2$
Character orbit 9280.a
Self dual yes
Analytic conductor $74.101$
Analytic rank $0$
Dimension $7$
CM no
Inner twists $1$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [9280,2,Mod(1,9280)] 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("9280.1"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(9280, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 9280 = 2^{6} \cdot 5 \cdot 29 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 9280.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [7,0,1,0,-7,0,-1,0,10,0,14,0,-1,0,-1,0,-7,0,14,0,16] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(21)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(74.1011730757\)
Analytic rank: \(0\)
Dimension: \(7\)
Coefficient field: \(\mathbb{Q}[x]/(x^{7} - \cdots)\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{7} - x^{6} - 15x^{5} + 8x^{4} + 56x^{3} - 4x^{2} - 28x + 8 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{17}]\)
Coefficient ring index: \( 2^{2} \)
Twist minimal: no (minimal twist has level 4640)
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)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{6}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_1 q^{3} - q^{5} + ( - \beta_{5} + \beta_1) q^{7} + (\beta_{2} + \beta_1 + 1) q^{9} + ( - \beta_{3} + 2) q^{11} + (\beta_{6} - \beta_{4} - \beta_1) q^{13} - \beta_1 q^{15} + (\beta_{6} - 1) q^{17}+ \cdots + (2 \beta_{6} + 2 \beta_{5} - \beta_{3}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 7 q + q^{3} - 7 q^{5} - q^{7} + 10 q^{9} + 14 q^{11} - q^{13} - q^{15} - 7 q^{17} + 14 q^{19} + 16 q^{21} + q^{23} + 7 q^{25} + 16 q^{27} + 7 q^{29} - 13 q^{31} + 4 q^{33} + q^{35} - 8 q^{37} - 17 q^{39}+ \cdots + 4 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{7} - x^{6} - 15x^{5} + 8x^{4} + 56x^{3} - 4x^{2} - 28x + 8 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - \nu - 4 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{6} - 15\nu^{4} - 7\nu^{3} + 54\nu^{2} + 45\nu - 18 ) / 5 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -4\nu^{6} + 5\nu^{5} + 55\nu^{4} - 37\nu^{3} - 176\nu^{2} - 10\nu + 42 ) / 10 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -7\nu^{6} + 5\nu^{5} + 105\nu^{4} - 26\nu^{3} - 378\nu^{2} - 80\nu + 116 ) / 10 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 2\nu^{6} - \nu^{5} - 31\nu^{4} + \nu^{3} + 118\nu^{2} + 48\nu - 42 ) / 2 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} + \beta _1 + 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( -\beta_{6} - 2\beta_{5} + \beta_{4} + \beta_{2} + 10\beta _1 + 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -2\beta_{6} - 2\beta_{5} + 3\beta_{3} + 10\beta_{2} + 15\beta _1 + 32 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( -15\beta_{6} - 28\beta_{5} + 15\beta_{4} + 7\beta_{3} + 15\beta_{2} + 103\beta _1 + 32 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( -37\beta_{6} - 44\beta_{5} + 7\beta_{4} + 50\beta_{3} + 103\beta_{2} + 196\beta _1 + 296 \) 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
−2.91666
−1.88457
−0.943627
0.366642
0.497409
2.50611
3.37470
0 −2.91666 0 −1.00000 0 −4.18530 0 5.50693 0
1.2 0 −1.88457 0 −1.00000 0 −0.913284 0 0.551608 0
1.3 0 −0.943627 0 −1.00000 0 3.92422 0 −2.10957 0
1.4 0 0.366642 0 −1.00000 0 −3.28212 0 −2.86557 0
1.5 0 0.497409 0 −1.00000 0 1.90159 0 −2.75258 0
1.6 0 2.50611 0 −1.00000 0 −0.903693 0 3.28058 0
1.7 0 3.37470 0 −1.00000 0 2.45858 0 8.38861 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1.7
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \( +1 \)
\(5\) \( +1 \)
\(29\) \( -1 \)

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 9280.2.a.cr 7
4.b odd 2 1 9280.2.a.cq 7
8.b even 2 1 4640.2.a.w 7
8.d odd 2 1 4640.2.a.x yes 7
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
4640.2.a.w 7 8.b even 2 1
4640.2.a.x yes 7 8.d odd 2 1
9280.2.a.cq 7 4.b odd 2 1
9280.2.a.cr 7 1.a even 1 1 trivial

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(9280))\):

\( T_{3}^{7} - T_{3}^{6} - 15T_{3}^{5} + 8T_{3}^{4} + 56T_{3}^{3} - 4T_{3}^{2} - 28T_{3} + 8 \) Copy content Toggle raw display
\( T_{7}^{7} + T_{7}^{6} - 27T_{7}^{5} - 18T_{7}^{4} + 196T_{7}^{3} + 68T_{7}^{2} - 324T_{7} - 208 \) Copy content Toggle raw display
\( T_{11}^{7} - 14T_{11}^{6} + 56T_{11}^{5} - 16T_{11}^{4} - 196T_{11}^{3} + 128T_{11} + 32 \) Copy content Toggle raw display
\( T_{13}^{7} + T_{13}^{6} - 69T_{13}^{5} - 26T_{13}^{4} + 1464T_{13}^{3} - 400T_{13}^{2} - 9216T_{13} + 10816 \) Copy content Toggle raw display
\( T_{19}^{7} - 14T_{19}^{6} + 12T_{19}^{5} + 528T_{19}^{4} - 1860T_{19}^{3} - 1744T_{19}^{2} + 8448T_{19} + 7008 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{7} \) Copy content Toggle raw display
$3$ \( T^{7} - T^{6} - 15 T^{5} + \cdots + 8 \) Copy content Toggle raw display
$5$ \( (T + 1)^{7} \) Copy content Toggle raw display
$7$ \( T^{7} + T^{6} + \cdots - 208 \) Copy content Toggle raw display
$11$ \( T^{7} - 14 T^{6} + \cdots + 32 \) Copy content Toggle raw display
$13$ \( T^{7} + T^{6} + \cdots + 10816 \) Copy content Toggle raw display
$17$ \( T^{7} + 7 T^{6} + \cdots - 216 \) Copy content Toggle raw display
$19$ \( T^{7} - 14 T^{6} + \cdots + 7008 \) Copy content Toggle raw display
$23$ \( T^{7} - T^{6} + \cdots - 5744 \) Copy content Toggle raw display
$29$ \( (T - 1)^{7} \) Copy content Toggle raw display
$31$ \( T^{7} + 13 T^{6} + \cdots + 8392 \) Copy content Toggle raw display
$37$ \( T^{7} + 8 T^{6} + \cdots - 57824 \) Copy content Toggle raw display
$41$ \( T^{7} - 16 T^{6} + \cdots + 768 \) Copy content Toggle raw display
$43$ \( T^{7} - 27 T^{6} + \cdots + 14232 \) Copy content Toggle raw display
$47$ \( T^{7} + 16 T^{6} + \cdots - 149376 \) Copy content Toggle raw display
$53$ \( T^{7} - 13 T^{6} + \cdots - 6464 \) Copy content Toggle raw display
$59$ \( T^{7} - 29 T^{6} + \cdots + 82752 \) Copy content Toggle raw display
$61$ \( T^{7} - T^{6} + \cdots + 2496 \) Copy content Toggle raw display
$67$ \( T^{7} - 30 T^{6} + \cdots - 102400 \) Copy content Toggle raw display
$71$ \( T^{7} + 12 T^{6} + \cdots + 479232 \) Copy content Toggle raw display
$73$ \( T^{7} + 7 T^{6} + \cdots - 142776 \) Copy content Toggle raw display
$79$ \( T^{7} + 31 T^{6} + \cdots - 13864 \) Copy content Toggle raw display
$83$ \( T^{7} + 4 T^{6} + \cdots + 76992 \) Copy content Toggle raw display
$89$ \( T^{7} + 4 T^{6} + \cdots - 49024 \) Copy content Toggle raw display
$97$ \( T^{7} + 17 T^{6} + \cdots + 260392 \) Copy content Toggle raw display
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