Properties

Label 6728.2.a.v
Level $6728$
Weight $2$
Character orbit 6728.a
Self dual yes
Analytic conductor $53.723$
Analytic rank $0$
Dimension $6$
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] = [6728,2,Mod(1,6728)] 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("6728.1"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(6728, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 6728 = 2^{3} \cdot 29^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 6728.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [6,0,-1,0,-3,0,9] 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: \(53.7233504799\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: 6.6.50158625.1
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - x^{5} - 11x^{4} + 9x^{3} + 28x^{2} - 20x - 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
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.

\(f(q)\) \(=\) \( q - \beta_1 q^{3} + (\beta_{2} + \beta_1 - 1) q^{5} + (\beta_{4} + \beta_1 + 1) q^{7} + (\beta_{4} + \beta_{2} + \beta_1) q^{9} + (\beta_{5} + \beta_{4} + \beta_{2} + \cdots - 1) q^{11} + ( - \beta_{5} - 2 \beta_{3} - \beta_{2} + \cdots + 2) q^{13}+ \cdots + ( - 6 \beta_{3} + 2 \beta_{2} + \cdots + 1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - q^{3} - 3 q^{5} + 9 q^{7} + 5 q^{9} - 2 q^{11} + 16 q^{13} - 13 q^{15} - 20 q^{19} - 14 q^{21} - 2 q^{23} + 7 q^{25} - q^{27} - 4 q^{31} + 2 q^{33} - 7 q^{35} + 8 q^{37} + q^{39} + 8 q^{41} + 17 q^{43}+ \cdots + 31 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} - x^{5} - 11x^{4} + 9x^{3} + 28x^{2} - 20x - 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{5} + 5\nu^{4} - 15\nu^{3} - 30\nu^{2} + 35\nu + 3 ) / 17 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -3\nu^{5} + 2\nu^{4} + 28\nu^{3} - 12\nu^{2} - 54\nu + 8 ) / 17 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -\nu^{5} - 5\nu^{4} + 15\nu^{3} + 47\nu^{2} - 52\nu - 54 ) / 17 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -3\nu^{5} + 2\nu^{4} + 45\nu^{3} - 29\nu^{2} - 156\nu + 76 ) / 17 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{4} + \beta_{2} + \beta _1 + 3 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{5} + \beta_{4} - \beta_{3} + \beta_{2} + 7\beta _1 - 1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( \beta_{5} + 7\beta_{4} + 10\beta_{2} + 10\beta _1 + 16 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( 10\beta_{5} + 10\beta_{4} - 15\beta_{3} + 12\beta_{2} + 50\beta _1 - 8 \) 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
2.85072
1.97463
0.749617
−0.0469617
−1.98230
−2.54570
0 −2.85072 0 3.61256 0 4.36475 0 5.12659 0
1.2 0 −1.97463 0 −2.22039 0 5.09418 0 0.899162 0
1.3 0 −0.749617 0 0.212905 0 −1.90136 0 −2.43808 0
1.4 0 0.0469617 0 −0.970976 0 −2.07378 0 −2.99779 0
1.5 0 1.98230 0 −4.20743 0 3.15464 0 0.929516 0
1.6 0 2.54570 0 0.573330 0 0.361566 0 3.48060 0
\(n\): e.g. 2-40 or 80-90
Embeddings: e.g. 1-3 or 1.6
Significant digits:
Format:

Atkin-Lehner signs

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

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 6728.2.a.v 6
29.b even 2 1 6728.2.a.w yes 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
6728.2.a.v 6 1.a even 1 1 trivial
6728.2.a.w yes 6 29.b even 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(6728))\):

\( T_{3}^{6} + T_{3}^{5} - 11T_{3}^{4} - 9T_{3}^{3} + 28T_{3}^{2} + 20T_{3} - 1 \) Copy content Toggle raw display
\( T_{5}^{6} + 3T_{5}^{5} - 14T_{5}^{4} - 38T_{5}^{3} + 3T_{5}^{2} + 20T_{5} - 4 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} \) Copy content Toggle raw display
$3$ \( T^{6} + T^{5} - 11 T^{4} + \cdots - 1 \) Copy content Toggle raw display
$5$ \( T^{6} + 3 T^{5} + \cdots - 4 \) Copy content Toggle raw display
$7$ \( T^{6} - 9 T^{5} + \cdots + 100 \) Copy content Toggle raw display
$11$ \( T^{6} + 2 T^{5} + \cdots - 121 \) Copy content Toggle raw display
$13$ \( T^{6} - 16 T^{5} + \cdots - 580 \) Copy content Toggle raw display
$17$ \( T^{6} - 99 T^{4} + \cdots + 181 \) Copy content Toggle raw display
$19$ \( T^{6} + 20 T^{5} + \cdots - 7895 \) Copy content Toggle raw display
$23$ \( T^{6} + 2 T^{5} + \cdots + 580 \) Copy content Toggle raw display
$29$ \( T^{6} \) Copy content Toggle raw display
$31$ \( T^{6} + 4 T^{5} + \cdots + 1216 \) Copy content Toggle raw display
$37$ \( T^{6} - 8 T^{5} + \cdots + 164 \) Copy content Toggle raw display
$41$ \( T^{6} - 8 T^{5} + \cdots - 704 \) Copy content Toggle raw display
$43$ \( T^{6} - 17 T^{5} + \cdots + 3056 \) Copy content Toggle raw display
$47$ \( T^{6} + 12 T^{5} + \cdots + 24244 \) Copy content Toggle raw display
$53$ \( T^{6} - 9 T^{5} + \cdots + 2956 \) Copy content Toggle raw display
$59$ \( T^{6} + 3 T^{5} + \cdots + 68381 \) Copy content Toggle raw display
$61$ \( T^{6} - 32 T^{5} + \cdots - 484 \) Copy content Toggle raw display
$67$ \( T^{6} - 14 T^{5} + \cdots + 841 \) Copy content Toggle raw display
$71$ \( T^{6} + 11 T^{5} + \cdots - 6064 \) Copy content Toggle raw display
$73$ \( T^{6} - 21 T^{5} + \cdots + 2801 \) Copy content Toggle raw display
$79$ \( T^{6} - 4 T^{5} + \cdots - 1569164 \) Copy content Toggle raw display
$83$ \( T^{6} + 21 T^{5} + \cdots - 22189 \) Copy content Toggle raw display
$89$ \( T^{6} - 8 T^{5} + \cdots - 604189 \) Copy content Toggle raw display
$97$ \( T^{6} - 3 T^{5} + \cdots - 2861 \) Copy content Toggle raw display
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