Properties

Label 3392.2.a.bn
Level $3392$
Weight $2$
Character orbit 3392.a
Self dual yes
Analytic conductor $27.085$
Analytic rank $0$
Dimension $7$
CM no
Inner twists $1$

Related objects

Downloads

Learn more

Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [3392,2,Mod(1,3392)] 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("3392.1"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(3392, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 3392 = 2^{6} \cdot 53 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3392.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [7,0,5,0,-1,0,-4,0,12] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(9)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(27.0852563656\)
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: \( x^{7} - 2x^{6} - 13x^{5} + 14x^{4} + 44x^{3} - 34x^{2} - 42x + 28 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 2 \)
Twist minimal: no (minimal twist has level 1696)
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.

\(f(q)\) \(=\) \( q + ( - \beta_1 + 1) q^{3} + \beta_{3} q^{5} + ( - \beta_{5} - \beta_1) q^{7} + (\beta_{6} - \beta_{4} + \beta_{2} + 2) q^{9} + (\beta_{6} - \beta_{5} - \beta_{4} + \cdots + 2) q^{11} + (\beta_{2} + \beta_1 + 1) q^{13}+ \cdots + (\beta_{6} + 2 \beta_{5} - \beta_{4} + \cdots + 6) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 7 q + 5 q^{3} - q^{5} - 4 q^{7} + 12 q^{9} + 11 q^{11} + 9 q^{13} - 4 q^{15} + 10 q^{17} + 19 q^{19} + 12 q^{21} - 6 q^{23} + 2 q^{25} + 17 q^{27} - 5 q^{29} - 17 q^{31} + 10 q^{33} + 2 q^{35} - q^{37}+ \cdots + 49 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{7} - 2x^{6} - 13x^{5} + 14x^{4} + 44x^{3} - 34x^{2} - 42x + 28 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -\nu^{6} - \nu^{5} + 18\nu^{4} + 16\nu^{3} - 44\nu^{2} - 26\nu + 4 ) / 8 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -5\nu^{6} + 11\nu^{5} + 50\nu^{4} - 48\nu^{3} - 92\nu^{2} + 38\nu + 4 ) / 16 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{6} + \nu^{5} - 18\nu^{4} - 24\nu^{3} + 68\nu^{2} + 66\nu - 68 ) / 8 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 3\nu^{6} - 5\nu^{5} - 38\nu^{4} + 24\nu^{3} + 108\nu^{2} - 34\nu - 60 ) / 8 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( \nu^{6} + \nu^{5} - 18\nu^{4} - 20\nu^{3} + 60\nu^{2} + 38\nu - 52 ) / 4 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{6} - \beta_{4} + \beta_{2} + 2\beta _1 + 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 3\beta_{6} - 4\beta_{4} + 2\beta_{2} + 11\beta _1 + 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 16\beta_{6} - 2\beta_{5} - 18\beta_{4} - 2\beta_{3} + 13\beta_{2} + 35\beta _1 + 34 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( 56\beta_{6} - 5\beta_{5} - 69\beta_{4} - 4\beta_{3} + 38\beta_{2} + 149\beta _1 + 86 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( 236\beta_{6} - 31\beta_{5} - 275\beta_{4} - 32\beta_{3} + 176\beta_{2} + 543\beta _1 + 418 \) 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
3.85690
1.69132
1.25208
0.625851
−1.32103
−1.79453
−2.31060
0 −2.85690 0 1.35571 0 −2.79515 0 5.16189 0
1.2 0 −0.691322 0 1.07564 0 −1.39470 0 −2.52207 0
1.3 0 −0.252083 0 −3.08742 0 −3.33096 0 −2.93645 0
1.4 0 0.374149 0 −0.724565 0 4.27701 0 −2.86001 0
1.5 0 2.32103 0 −0.915495 0 −3.47798 0 2.38720 0
1.6 0 2.79453 0 3.98497 0 0.635141 0 4.80937 0
1.7 0 3.31060 0 −2.68883 0 2.08664 0 7.96007 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
\(2\) \( +1 \)
\(53\) \( -1 \)

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 3392.2.a.bn 7
4.b odd 2 1 3392.2.a.bm 7
8.b even 2 1 1696.2.a.m 7
8.d odd 2 1 1696.2.a.n yes 7
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1696.2.a.m 7 8.b even 2 1
1696.2.a.n yes 7 8.d odd 2 1
3392.2.a.bm 7 4.b odd 2 1
3392.2.a.bn 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 \(S_{2}^{\mathrm{new}}(\Gamma_0(3392))\):

\( T_{3}^{7} - 5T_{3}^{6} - 4T_{3}^{5} + 46T_{3}^{4} - 35T_{3}^{3} - 43T_{3}^{2} + 8T_{3} + 4 \) Copy content Toggle raw display
\( T_{5}^{7} + T_{5}^{6} - 18T_{5}^{5} - 24T_{5}^{4} + 56T_{5}^{3} + 52T_{5}^{2} - 40T_{5} - 32 \) Copy content Toggle raw display
\( T_{7}^{7} + 4T_{7}^{6} - 20T_{7}^{5} - 96T_{7}^{4} + 28T_{7}^{3} + 408T_{7}^{2} + 160T_{7} - 256 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{7} \) Copy content Toggle raw display
$3$ \( T^{7} - 5 T^{6} + \cdots + 4 \) Copy content Toggle raw display
$5$ \( T^{7} + T^{6} + \cdots - 32 \) Copy content Toggle raw display
$7$ \( T^{7} + 4 T^{6} + \cdots - 256 \) Copy content Toggle raw display
$11$ \( T^{7} - 11 T^{6} + \cdots + 1024 \) Copy content Toggle raw display
$13$ \( T^{7} - 9 T^{6} + \cdots - 2048 \) Copy content Toggle raw display
$17$ \( T^{7} - 10 T^{6} + \cdots + 634 \) Copy content Toggle raw display
$19$ \( T^{7} - 19 T^{6} + \cdots + 896 \) Copy content Toggle raw display
$23$ \( T^{7} + 6 T^{6} + \cdots - 45998 \) Copy content Toggle raw display
$29$ \( T^{7} + 5 T^{6} + \cdots + 124 \) Copy content Toggle raw display
$31$ \( T^{7} + 17 T^{6} + \cdots - 13472 \) Copy content Toggle raw display
$37$ \( T^{7} + T^{6} + \cdots - 220508 \) Copy content Toggle raw display
$41$ \( T^{7} - 10 T^{6} + \cdots - 38144 \) Copy content Toggle raw display
$43$ \( T^{7} - 3 T^{6} + \cdots - 313216 \) Copy content Toggle raw display
$47$ \( T^{7} + 10 T^{6} + \cdots + 83968 \) Copy content Toggle raw display
$53$ \( (T - 1)^{7} \) Copy content Toggle raw display
$59$ \( T^{7} - 29 T^{6} + \cdots - 35072 \) Copy content Toggle raw display
$61$ \( T^{7} - 16 T^{6} + \cdots + 225856 \) Copy content Toggle raw display
$67$ \( T^{7} - 28 T^{6} + \cdots - 1792 \) Copy content Toggle raw display
$71$ \( T^{7} + 31 T^{6} + \cdots - 19144 \) Copy content Toggle raw display
$73$ \( T^{7} - 14 T^{6} + \cdots + 61696 \) Copy content Toggle raw display
$79$ \( T^{7} + 4 T^{6} + \cdots - 1834 \) Copy content Toggle raw display
$83$ \( T^{7} - 21 T^{6} + \cdots - 1305364 \) Copy content Toggle raw display
$89$ \( T^{7} + 19 T^{6} + \cdots - 225856 \) Copy content Toggle raw display
$97$ \( T^{7} - 26 T^{6} + \cdots - 2099938 \) Copy content Toggle raw display
show more
show less