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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [588,8,Mod(1,588)] 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("588.1"); S:= CuspForms(chi, 8); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(588, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0])) N = Newforms(chi, 8, names="a")
 
Level: \( N \) \(=\) \( 588 = 2^{2} \cdot 3 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 8 \)
Character orbit: \([\chi]\) \(=\) 588.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [3,0,81,0,254] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(5)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(183.682394985\)
Analytic rank: \(1\)
Dimension: \(3\)
Coefficient field: \(\mathbb{Q}[x]/(x^{3} - \cdots)\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{3} - x^{2} - 36766x + 1071280 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{4} \)
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 \(1,\beta_1,\beta_2\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + 27 q^{3} + (\beta_1 + 85) q^{5} + 729 q^{9} + (\beta_{2} + 5 \beta_1 - 438) q^{11} + ( - 2 \beta_{2} - 3118) q^{13} + (27 \beta_1 + 2295) q^{15} + ( - 3 \beta_{2} - 45 \beta_1 + 48) q^{17} + (\beta_{2} - 48 \beta_1 - 13627) q^{19}+ \cdots + (729 \beta_{2} + 3645 \beta_1 - 319302) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 3 q + 81 q^{3} + 254 q^{5} + 2187 q^{9} - 1318 q^{11} - 9356 q^{13} + 6858 q^{15} + 186 q^{17} - 40832 q^{19} + 75282 q^{23} + 81261 q^{25} + 59049 q^{27} - 185086 q^{29} + 106556 q^{31} - 35586 q^{33}+ \cdots - 960822 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{3} - x^{2} - 36766x + 1071280 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( 2\nu - 1 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 4\nu^{2} + 168\nu - 98095 ) / 15 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta _1 + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 15\beta_{2} - 84\beta _1 + 98011 ) / 4 \) 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
−204.454
29.8360
175.618
0 27.0000 0 −324.907 0 0 0 729.000 0
1.2 0 27.0000 0 143.672 0 0 0 729.000 0
1.3 0 27.0000 0 435.235 0 0 0 729.000 0
\(n\): e.g. 2-40 or 80-90
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \( -1 \)
\(3\) \( -1 \)
\(7\) \( -1 \)

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 588.8.a.h yes 3
7.b odd 2 1 588.8.a.g 3
7.c even 3 2 588.8.i.m 6
7.d odd 6 2 588.8.i.n 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
588.8.a.g 3 7.b odd 2 1
588.8.a.h yes 3 1.a even 1 1 trivial
588.8.i.m 6 7.c even 3 2
588.8.i.n 6 7.d odd 6 2

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{3} - 254T_{5}^{2} - 125560T_{5} + 20316800 \) acting on \(S_{8}^{\mathrm{new}}(\Gamma_0(588))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{3} \) Copy content Toggle raw display
$3$ \( (T - 27)^{3} \) Copy content Toggle raw display
$5$ \( T^{3} - 254 T^{2} + \cdots + 20316800 \) Copy content Toggle raw display
$7$ \( T^{3} \) Copy content Toggle raw display
$11$ \( T^{3} + \cdots - 5161667200 \) Copy content Toggle raw display
$13$ \( T^{3} + \cdots - 712475748032 \) Copy content Toggle raw display
$17$ \( T^{3} + \cdots + 4712803143552 \) Copy content Toggle raw display
$19$ \( T^{3} + \cdots - 5022321610112 \) Copy content Toggle raw display
$23$ \( T^{3} + \cdots + 185763011482368 \) Copy content Toggle raw display
$29$ \( T^{3} + \cdots - 69099970871800 \) Copy content Toggle raw display
$31$ \( T^{3} + \cdots + 364445294210816 \) Copy content Toggle raw display
$37$ \( T^{3} + \cdots - 73\!\cdots\!00 \) Copy content Toggle raw display
$41$ \( T^{3} + \cdots - 17\!\cdots\!44 \) Copy content Toggle raw display
$43$ \( T^{3} + \cdots - 26\!\cdots\!08 \) Copy content Toggle raw display
$47$ \( T^{3} + \cdots - 10\!\cdots\!00 \) Copy content Toggle raw display
$53$ \( T^{3} + \cdots + 61\!\cdots\!76 \) Copy content Toggle raw display
$59$ \( T^{3} + \cdots + 14\!\cdots\!00 \) Copy content Toggle raw display
$61$ \( T^{3} + \cdots + 11\!\cdots\!32 \) Copy content Toggle raw display
$67$ \( T^{3} + \cdots - 17\!\cdots\!96 \) Copy content Toggle raw display
$71$ \( T^{3} + \cdots - 52\!\cdots\!80 \) Copy content Toggle raw display
$73$ \( T^{3} + \cdots - 19\!\cdots\!28 \) Copy content Toggle raw display
$79$ \( T^{3} + \cdots + 28\!\cdots\!04 \) Copy content Toggle raw display
$83$ \( T^{3} + \cdots - 73\!\cdots\!04 \) Copy content Toggle raw display
$89$ \( T^{3} + \cdots - 63\!\cdots\!04 \) Copy content Toggle raw display
$97$ \( T^{3} + \cdots - 18\!\cdots\!00 \) Copy content Toggle raw display
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