Properties

Label 2592.2.i.bg
Level $2592$
Weight $2$
Character orbit 2592.i
Analytic conductor $20.697$
Analytic rank $0$
Dimension $8$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2592,2,Mod(865,2592)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2592, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 0, 4]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2592.865");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2592 = 2^{5} \cdot 3^{4} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2592.i (of order \(3\), degree \(2\), not minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(20.6972242039\)
Analytic rank: \(0\)
Dimension: \(8\)
Relative dimension: \(4\) over \(\Q(\zeta_{3})\)
Coefficient field: 8.0.49787136.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} + 3x^{6} + 5x^{4} + 12x^{2} + 16 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{4}\cdot 3^{2} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{7}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{3} q^{5} + ( - \beta_{7} + \beta_{4}) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{3} q^{5} + ( - \beta_{7} + \beta_{4}) q^{7} + ( - \beta_{5} - \beta_{2}) q^{11} + (\beta_{6} + \beta_{5} - 2 \beta_{2} + 2) q^{13} + ( - \beta_{4} - \beta_1) q^{17} + (\beta_{7} + 3 \beta_{4} + \cdots + 3 \beta_1) q^{19}+ \cdots + ( - 2 \beta_{5} - 4 \beta_{2}) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q+O(q^{10}) \) Copy content Toggle raw display \( 8 q - 4 q^{11} + 8 q^{13} - 12 q^{23} - 8 q^{25} + 56 q^{35} - 16 q^{37} - 32 q^{47} - 12 q^{49} - 32 q^{59} + 24 q^{61} + 40 q^{71} + 24 q^{73} - 24 q^{83} - 28 q^{95} - 16 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} + 3x^{6} + 5x^{4} + 12x^{2} + 16 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -\nu^{7} - 5\nu^{5} + 5\nu^{3} - 2\nu ) / 20 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -3\nu^{6} - 5\nu^{4} - 15\nu^{2} - 16 ) / 20 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -\nu^{7} + 13\nu ) / 10 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 7\nu^{7} + 5\nu^{5} - 5\nu^{3} + 44\nu ) / 40 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -7\nu^{6} + 15\nu^{4} + 5\nu^{2} - 24 ) / 20 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -\nu^{6} - 3\nu^{4} - \nu^{2} - 6 ) / 2 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 11\nu^{7} + 25\nu^{5} + 55\nu^{3} + 132\nu ) / 40 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( 2\beta_{4} + 3\beta_{3} + \beta_1 ) / 6 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 2\beta_{6} + \beta_{5} - 9\beta_{2} ) / 6 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 3\beta_{7} - 5\beta_{4} - 3\beta_{3} + 5\beta_1 ) / 6 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -\beta_{6} + \beta_{5} + \beta_{2} - 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 3\beta_{7} - 11\beta_{4} - 22\beta_1 ) / 6 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( -5\beta_{6} - 10\beta_{5} - 27 ) / 6 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 26\beta_{4} - 21\beta_{3} + 13\beta_1 ) / 6 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2592\mathbb{Z}\right)^\times\).

\(n\) \(325\) \(1217\) \(2431\)
\(\chi(n)\) \(1\) \(-1 + \beta_{2}\) \(1\)

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
865.1
−1.09445 0.895644i
−0.228425 1.39564i
0.228425 + 1.39564i
1.09445 + 0.895644i
−1.09445 + 0.895644i
−0.228425 + 1.39564i
0.228425 1.39564i
1.09445 0.895644i
0 0 0 −1.32288 2.29129i 0 −2.18890 + 3.79129i 0 0 0
865.2 0 0 0 −1.32288 2.29129i 0 −0.456850 + 0.791288i 0 0 0
865.3 0 0 0 1.32288 + 2.29129i 0 0.456850 0.791288i 0 0 0
865.4 0 0 0 1.32288 + 2.29129i 0 2.18890 3.79129i 0 0 0
1729.1 0 0 0 −1.32288 + 2.29129i 0 −2.18890 3.79129i 0 0 0
1729.2 0 0 0 −1.32288 + 2.29129i 0 −0.456850 0.791288i 0 0 0
1729.3 0 0 0 1.32288 2.29129i 0 0.456850 + 0.791288i 0 0 0
1729.4 0 0 0 1.32288 2.29129i 0 2.18890 + 3.79129i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 865.4
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
9.c even 3 1 inner
12.b even 2 1 inner
36.h even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2592.2.i.bg 8
3.b odd 2 1 2592.2.i.bh 8
4.b odd 2 1 2592.2.i.bh 8
9.c even 3 1 2592.2.a.w yes 4
9.c even 3 1 inner 2592.2.i.bg 8
9.d odd 6 1 2592.2.a.v 4
9.d odd 6 1 2592.2.i.bh 8
12.b even 2 1 inner 2592.2.i.bg 8
36.f odd 6 1 2592.2.a.v 4
36.f odd 6 1 2592.2.i.bh 8
36.h even 6 1 2592.2.a.w yes 4
36.h even 6 1 inner 2592.2.i.bg 8
72.j odd 6 1 5184.2.a.ce 4
72.l even 6 1 5184.2.a.cd 4
72.n even 6 1 5184.2.a.cd 4
72.p odd 6 1 5184.2.a.ce 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2592.2.a.v 4 9.d odd 6 1
2592.2.a.v 4 36.f odd 6 1
2592.2.a.w yes 4 9.c even 3 1
2592.2.a.w yes 4 36.h even 6 1
2592.2.i.bg 8 1.a even 1 1 trivial
2592.2.i.bg 8 9.c even 3 1 inner
2592.2.i.bg 8 12.b even 2 1 inner
2592.2.i.bg 8 36.h even 6 1 inner
2592.2.i.bh 8 3.b odd 2 1
2592.2.i.bh 8 4.b odd 2 1
2592.2.i.bh 8 9.d odd 6 1
2592.2.i.bh 8 36.f odd 6 1
5184.2.a.cd 4 72.l even 6 1
5184.2.a.cd 4 72.n even 6 1
5184.2.a.ce 4 72.j odd 6 1
5184.2.a.ce 4 72.p odd 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(2592, [\chi])\):

\( T_{5}^{4} + 7T_{5}^{2} + 49 \) Copy content Toggle raw display
\( T_{7}^{8} + 20T_{7}^{6} + 384T_{7}^{4} + 320T_{7}^{2} + 256 \) Copy content Toggle raw display
\( T_{11}^{4} + 2T_{11}^{3} + 24T_{11}^{2} - 40T_{11} + 400 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} \) Copy content Toggle raw display
$3$ \( T^{8} \) Copy content Toggle raw display
$5$ \( (T^{4} + 7 T^{2} + 49)^{2} \) Copy content Toggle raw display
$7$ \( T^{8} + 20 T^{6} + \cdots + 256 \) Copy content Toggle raw display
$11$ \( (T^{4} + 2 T^{3} + \cdots + 400)^{2} \) Copy content Toggle raw display
$13$ \( (T^{4} - 4 T^{3} + \cdots + 289)^{2} \) Copy content Toggle raw display
$17$ \( (T^{2} - 3)^{4} \) Copy content Toggle raw display
$19$ \( (T^{4} - 68 T^{2} + 400)^{2} \) Copy content Toggle raw display
$23$ \( (T^{4} + 6 T^{3} + \cdots + 144)^{2} \) Copy content Toggle raw display
$29$ \( T^{8} + 38 T^{6} + \cdots + 625 \) Copy content Toggle raw display
$31$ \( T^{8} + 80 T^{6} + \cdots + 65536 \) Copy content Toggle raw display
$37$ \( (T^{2} + 4 T - 17)^{4} \) Copy content Toggle raw display
$41$ \( T^{8} + 80 T^{6} + \cdots + 65536 \) Copy content Toggle raw display
$43$ \( T^{8} + 68 T^{6} + \cdots + 160000 \) Copy content Toggle raw display
$47$ \( (T^{2} + 8 T + 64)^{4} \) Copy content Toggle raw display
$53$ \( (T^{4} - 80 T^{2} + 256)^{2} \) Copy content Toggle raw display
$59$ \( (T^{2} + 8 T + 64)^{4} \) Copy content Toggle raw display
$61$ \( (T^{4} - 12 T^{3} + \cdots + 225)^{2} \) Copy content Toggle raw display
$67$ \( T^{8} + 68 T^{6} + \cdots + 160000 \) Copy content Toggle raw display
$71$ \( (T^{2} - 10 T + 4)^{4} \) Copy content Toggle raw display
$73$ \( (T^{2} - 6 T - 75)^{4} \) Copy content Toggle raw display
$79$ \( T^{8} + 308 T^{6} + \cdots + 384160000 \) Copy content Toggle raw display
$83$ \( (T^{4} + 12 T^{3} + \cdots + 2304)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} - 230 T^{2} + 11881)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} + 8 T^{3} + \cdots + 4624)^{2} \) Copy content Toggle raw display
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