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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [7935,2,Mod(1,7935)] 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("7935.1"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(7935, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 7935 = 3 \cdot 5 \cdot 23^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 7935.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [6,0,6,4,6,0,-2] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(7)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(63.3612940039\)
Analytic rank: \(1\)
Dimension: \(6\)
Coefficient field: 6.6.4507648.1
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - 2x^{5} - 5x^{4} + 8x^{3} + 7x^{2} - 6x - 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
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 \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{2} q^{2} + q^{3} + (\beta_{4} - \beta_{3} - \beta_1 + 1) q^{4} + q^{5} - \beta_{2} q^{6} + ( - \beta_{4} - \beta_1) q^{7} + (\beta_{5} + \beta_{3} + \beta_1) q^{8} + q^{9} - \beta_{2} q^{10}+ \cdots + ( - \beta_{5} - \beta_{4} - \beta_1 - 2) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q + 6 q^{3} + 4 q^{4} + 6 q^{5} - 2 q^{7} + 6 q^{9} - 12 q^{11} + 4 q^{12} - 4 q^{13} - 8 q^{14} + 6 q^{15} - 14 q^{17} - 8 q^{19} + 4 q^{20} - 2 q^{21} - 12 q^{22} + 6 q^{25} + 24 q^{26} + 6 q^{27} - 4 q^{28}+ \cdots - 12 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} - 2x^{5} - 5x^{4} + 8x^{3} + 7x^{2} - 6x - 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - \nu - 2 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \nu^{3} - \nu^{2} - 3\nu + 1 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( \nu^{4} - \nu^{3} - 4\nu^{2} + 2\nu + 2 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( \nu^{5} - 2\nu^{4} - 4\nu^{3} + 6\nu^{2} + 4\nu - 2 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} + \beta _1 + 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{3} + \beta_{2} + 4\beta _1 + 1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( \beta_{4} + \beta_{3} + 5\beta_{2} + 6\beta _1 + 7 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( \beta_{5} + 2\beta_{4} + 6\beta_{3} + 8\beta_{2} + 18\beta _1 + 8 \) 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
−1.66745
2.35100
−1.20475
1.90903
−0.146243
0.758419
−2.44785 1.00000 3.99195 1.00000 −2.44785 1.75717 −4.87599 1.00000 −2.44785
1.2 −1.17619 1.00000 −0.616586 1.00000 −1.17619 −4.49962 3.07759 1.00000 −1.17619
1.3 −0.656184 1.00000 −1.56942 1.00000 −0.656184 3.56472 2.34220 1.00000 −0.656184
1.4 0.264627 1.00000 −1.92997 1.00000 0.264627 0.526121 −1.03998 1.00000 0.264627
1.5 1.83237 1.00000 1.35758 1.00000 1.83237 −1.47931 −1.17715 1.00000 1.83237
1.6 2.18322 1.00000 2.76645 1.00000 2.18322 −1.86907 1.67333 1.00000 2.18322
\(n\): e.g. 2-40 or 80-90
Embeddings: e.g. 1-3 or 1.6
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(3\) \( -1 \)
\(5\) \( -1 \)
\(23\) \( +1 \)

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 7935.2.a.bg yes 6
23.b odd 2 1 7935.2.a.bf 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
7935.2.a.bf 6 23.b odd 2 1
7935.2.a.bg yes 6 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 \(S_{2}^{\mathrm{new}}(\Gamma_0(7935))\):

\( T_{2}^{6} - 8T_{2}^{4} + 14T_{2}^{2} + 4T_{2} - 2 \) Copy content Toggle raw display
\( T_{7}^{6} + 2T_{7}^{5} - 19T_{7}^{4} - 24T_{7}^{3} + 63T_{7}^{2} + 54T_{7} - 41 \) Copy content Toggle raw display
\( T_{11}^{6} + 12T_{11}^{5} + 34T_{11}^{4} - 24T_{11}^{3} - 78T_{11}^{2} - 28T_{11} + 2 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} - 8 T^{4} + \cdots - 2 \) Copy content Toggle raw display
$3$ \( (T - 1)^{6} \) Copy content Toggle raw display
$5$ \( (T - 1)^{6} \) Copy content Toggle raw display
$7$ \( T^{6} + 2 T^{5} + \cdots - 41 \) Copy content Toggle raw display
$11$ \( T^{6} + 12 T^{5} + \cdots + 2 \) Copy content Toggle raw display
$13$ \( T^{6} + 4 T^{5} + \cdots - 562 \) Copy content Toggle raw display
$17$ \( T^{6} + 14 T^{5} + \cdots + 647 \) Copy content Toggle raw display
$19$ \( T^{6} + 8 T^{5} + \cdots + 82 \) Copy content Toggle raw display
$23$ \( T^{6} \) Copy content Toggle raw display
$29$ \( T^{6} + 14 T^{5} + \cdots + 9457 \) Copy content Toggle raw display
$31$ \( T^{6} + 6 T^{5} + \cdots + 193 \) Copy content Toggle raw display
$37$ \( T^{6} - 2 T^{5} + \cdots + 1823 \) Copy content Toggle raw display
$41$ \( T^{6} + 2 T^{5} + \cdots - 33287 \) Copy content Toggle raw display
$43$ \( T^{6} + 12 T^{5} + \cdots - 932 \) Copy content Toggle raw display
$47$ \( T^{6} - 8 T^{5} + \cdots + 10718 \) Copy content Toggle raw display
$53$ \( T^{6} + 14 T^{5} + \cdots - 5233 \) Copy content Toggle raw display
$59$ \( T^{6} + 14 T^{5} + \cdots + 961 \) Copy content Toggle raw display
$61$ \( T^{6} - 8 T^{5} + \cdots - 5294 \) Copy content Toggle raw display
$67$ \( T^{6} - 2 T^{5} + \cdots - 336689 \) Copy content Toggle raw display
$71$ \( T^{6} + 10 T^{5} + \cdots - 113911 \) Copy content Toggle raw display
$73$ \( T^{6} + 4 T^{5} + \cdots + 5198 \) Copy content Toggle raw display
$79$ \( T^{6} - 16 T^{5} + \cdots + 83168 \) Copy content Toggle raw display
$83$ \( T^{6} - 10 T^{5} + \cdots - 593 \) Copy content Toggle raw display
$89$ \( T^{6} + 16 T^{5} + \cdots + 8264 \) Copy content Toggle raw display
$97$ \( T^{6} + 8 T^{5} + \cdots - 385988 \) Copy content Toggle raw display
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