Properties

Label 324.3.g.d
Level $324$
Weight $3$
Character orbit 324.g
Analytic conductor $8.828$
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] = [324,3,Mod(53,324)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(324, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 5]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("324.53");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 324 = 2^{2} \cdot 3^{4} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 324.g (of order \(6\), 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: \(8.82836056527\)
Analytic rank: \(0\)
Dimension: \(8\)
Relative dimension: \(4\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\Q(\zeta_{24})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{19}]\)
Coefficient ring index: \( 3^{10} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-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.

\(f(q)\) \(=\) \( q + \beta_{5} q^{5} + ( - \beta_{2} + \beta_1) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{5} q^{5} + ( - \beta_{2} + \beta_1) q^{7} + \beta_{7} q^{11} + ( - 2 \beta_{3} + 2 \beta_{2} + \cdots + 1) q^{13}+ \cdots + (22 \beta_{2} + 40 \beta_1) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q + 4 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 8 q + 4 q^{7} + 4 q^{13} - 56 q^{19} - 28 q^{25} - 32 q^{31} + 112 q^{37} + 52 q^{43} + 84 q^{49} + 72 q^{55} + 64 q^{61} - 20 q^{67} - 512 q^{73} - 308 q^{79} - 288 q^{85} + 440 q^{91} + 160 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( \zeta_{24}^{4} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( 3\zeta_{24}^{6} + 3\zeta_{24}^{2} \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( -3\zeta_{24}^{6} + 6\zeta_{24}^{2} \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( -3\zeta_{24}^{5} + 3\zeta_{24}^{3} \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( 3\zeta_{24}^{7} - 3\zeta_{24}^{5} + 3\zeta_{24} \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( -3\zeta_{24}^{7} + 3\zeta_{24}^{5} + 9\zeta_{24}^{3} + 6\zeta_{24} \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( -9\zeta_{24}^{7} - 6\zeta_{24}^{5} + 6\zeta_{24}^{3} + 9\zeta_{24} \) Copy content Toggle raw display
\(\zeta_{24}\)\(=\) \( ( \beta_{7} + \beta_{6} + 4\beta_{5} - 5\beta_{4} ) / 27 \) Copy content Toggle raw display
\(\zeta_{24}^{2}\)\(=\) \( ( \beta_{3} + \beta_{2} ) / 9 \) Copy content Toggle raw display
\(\zeta_{24}^{3}\)\(=\) \( ( -\beta_{7} + 2\beta_{6} - \beta_{5} + 5\beta_{4} ) / 27 \) Copy content Toggle raw display
\(\zeta_{24}^{4}\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\zeta_{24}^{5}\)\(=\) \( ( -\beta_{7} + 2\beta_{6} - \beta_{5} - 4\beta_{4} ) / 27 \) Copy content Toggle raw display
\(\zeta_{24}^{6}\)\(=\) \( ( -\beta_{3} + 2\beta_{2} ) / 9 \) Copy content Toggle raw display
\(\zeta_{24}^{7}\)\(=\) \( ( -2\beta_{7} + \beta_{6} + 4\beta_{5} + \beta_{4} ) / 27 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/324\mathbb{Z}\right)^\times\).

\(n\) \(163\) \(245\)
\(\chi(n)\) \(1\) \(1 - \beta_{1}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
53.1
0.258819 0.965926i
−0.965926 0.258819i
0.965926 + 0.258819i
−0.258819 + 0.965926i
0.258819 + 0.965926i
−0.965926 + 0.258819i
0.965926 0.258819i
−0.258819 0.965926i
0 0 0 −5.01910 2.89778i 0 3.09808 + 5.36603i 0 0 0
53.2 0 0 0 −1.34486 0.776457i 0 −2.09808 3.63397i 0 0 0
53.3 0 0 0 1.34486 + 0.776457i 0 −2.09808 3.63397i 0 0 0
53.4 0 0 0 5.01910 + 2.89778i 0 3.09808 + 5.36603i 0 0 0
269.1 0 0 0 −5.01910 + 2.89778i 0 3.09808 5.36603i 0 0 0
269.2 0 0 0 −1.34486 + 0.776457i 0 −2.09808 + 3.63397i 0 0 0
269.3 0 0 0 1.34486 0.776457i 0 −2.09808 + 3.63397i 0 0 0
269.4 0 0 0 5.01910 2.89778i 0 3.09808 5.36603i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 53.4
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
9.c even 3 1 inner
9.d odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 324.3.g.d 8
3.b odd 2 1 inner 324.3.g.d 8
4.b odd 2 1 1296.3.q.n 8
9.c even 3 1 324.3.c.a 4
9.c even 3 1 inner 324.3.g.d 8
9.d odd 6 1 324.3.c.a 4
9.d odd 6 1 inner 324.3.g.d 8
12.b even 2 1 1296.3.q.n 8
36.f odd 6 1 1296.3.e.f 4
36.f odd 6 1 1296.3.q.n 8
36.h even 6 1 1296.3.e.f 4
36.h even 6 1 1296.3.q.n 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
324.3.c.a 4 9.c even 3 1
324.3.c.a 4 9.d odd 6 1
324.3.g.d 8 1.a even 1 1 trivial
324.3.g.d 8 3.b odd 2 1 inner
324.3.g.d 8 9.c even 3 1 inner
324.3.g.d 8 9.d odd 6 1 inner
1296.3.e.f 4 36.f odd 6 1
1296.3.e.f 4 36.h even 6 1
1296.3.q.n 8 4.b odd 2 1
1296.3.q.n 8 12.b even 2 1
1296.3.q.n 8 36.f odd 6 1
1296.3.q.n 8 36.h even 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(324, [\chi])\):

\( T_{5}^{8} - 36T_{5}^{6} + 1215T_{5}^{4} - 2916T_{5}^{2} + 6561 \) Copy content Toggle raw display
\( T_{7}^{4} - 2T_{7}^{3} + 30T_{7}^{2} + 52T_{7} + 676 \) 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
$5$ \( T^{8} - 36 T^{6} + \cdots + 6561 \) Copy content Toggle raw display
$7$ \( (T^{4} - 2 T^{3} + \cdots + 676)^{2} \) Copy content Toggle raw display
$11$ \( T^{8} - 252 T^{6} + \cdots + 104976 \) Copy content Toggle raw display
$13$ \( (T^{4} - 2 T^{3} + \cdots + 11449)^{2} \) Copy content Toggle raw display
$17$ \( (T^{4} + 1548 T^{2} + 558009)^{2} \) Copy content Toggle raw display
$19$ \( (T^{2} + 14 T - 626)^{4} \) Copy content Toggle raw display
$23$ \( T^{8} + \cdots + 512249392656 \) Copy content Toggle raw display
$29$ \( T^{8} + \cdots + 3986287771761 \) Copy content Toggle raw display
$31$ \( (T^{4} + 16 T^{3} + \cdots + 824464)^{2} \) Copy content Toggle raw display
$37$ \( (T^{2} - 28 T + 169)^{4} \) Copy content Toggle raw display
$41$ \( T^{8} + \cdots + 1536953616 \) Copy content Toggle raw display
$43$ \( (T^{4} - 26 T^{3} + \cdots + 4072324)^{2} \) Copy content Toggle raw display
$47$ \( T^{8} + \cdots + 892616806656 \) Copy content Toggle raw display
$53$ \( (T^{4} + 3276 T^{2} + 1127844)^{2} \) Copy content Toggle raw display
$59$ \( T^{8} + \cdots + 470025421056 \) Copy content Toggle raw display
$61$ \( (T^{4} - 32 T^{3} + \cdots + 3728761)^{2} \) Copy content Toggle raw display
$67$ \( (T^{4} + 10 T^{3} + \cdots + 47524)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} + 12996 T^{2} + 171396)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} + 128 T + 1909)^{4} \) Copy content Toggle raw display
$79$ \( (T^{4} + 154 T^{3} + \cdots + 21215236)^{2} \) Copy content Toggle raw display
$83$ \( T^{8} + \cdots + 14281868906496 \) Copy content Toggle raw display
$89$ \( (T^{4} + 12564 T^{2} + 2313441)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} - 80 T^{3} + \cdots + 131515024)^{2} \) Copy content Toggle raw display
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