Properties

Label 324.3.g.b
Level $324$
Weight $3$
Character orbit 324.g
Analytic conductor $8.828$
Analytic rank $0$
Dimension $2$
CM discriminant -3
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: \(2\)
Coefficient field: \(\Q(\sqrt{-3}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{25}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 12)
Sato-Tate group: $\mathrm{U}(1)[D_{6}]$

$q$-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 primitive root of unity \(\zeta_{6}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + (2 \zeta_{6} - 2) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + (2 \zeta_{6} - 2) q^{7} + 22 \zeta_{6} q^{13} + 26 q^{19} + (25 \zeta_{6} - 25) q^{25} + 46 \zeta_{6} q^{31} + 26 q^{37} + ( - 22 \zeta_{6} + 22) q^{43} + 45 \zeta_{6} q^{49} + (74 \zeta_{6} - 74) q^{61} - 122 \zeta_{6} q^{67} - 46 q^{73} + ( - 142 \zeta_{6} + 142) q^{79} - 44 q^{91} + (2 \zeta_{6} - 2) q^{97} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 2 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 2 q - 2 q^{7} + 22 q^{13} + 52 q^{19} - 25 q^{25} + 46 q^{31} + 52 q^{37} + 22 q^{43} + 45 q^{49} - 74 q^{61} - 122 q^{67} - 92 q^{73} + 142 q^{79} - 88 q^{91} - 2 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Character values

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

\(n\) \(163\) \(245\)
\(\chi(n)\) \(1\) \(\zeta_{6}\)

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
0.500000 0.866025i
0.500000 + 0.866025i
0 0 0 0 0 −1.00000 1.73205i 0 0 0
269.1 0 0 0 0 0 −1.00000 + 1.73205i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 CM by \(\Q(\sqrt{-3}) \)
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.b 2
3.b odd 2 1 CM 324.3.g.b 2
4.b odd 2 1 1296.3.q.b 2
9.c even 3 1 12.3.c.a 1
9.c even 3 1 inner 324.3.g.b 2
9.d odd 6 1 12.3.c.a 1
9.d odd 6 1 inner 324.3.g.b 2
12.b even 2 1 1296.3.q.b 2
36.f odd 6 1 48.3.e.a 1
36.f odd 6 1 1296.3.q.b 2
36.h even 6 1 48.3.e.a 1
36.h even 6 1 1296.3.q.b 2
45.h odd 6 1 300.3.g.b 1
45.j even 6 1 300.3.g.b 1
45.k odd 12 2 300.3.b.a 2
45.l even 12 2 300.3.b.a 2
63.g even 3 1 588.3.p.c 2
63.h even 3 1 588.3.p.c 2
63.i even 6 1 588.3.p.b 2
63.j odd 6 1 588.3.p.c 2
63.k odd 6 1 588.3.p.b 2
63.l odd 6 1 588.3.c.c 1
63.n odd 6 1 588.3.p.c 2
63.o even 6 1 588.3.c.c 1
63.s even 6 1 588.3.p.b 2
63.t odd 6 1 588.3.p.b 2
72.j odd 6 1 192.3.e.b 1
72.l even 6 1 192.3.e.a 1
72.n even 6 1 192.3.e.b 1
72.p odd 6 1 192.3.e.a 1
99.g even 6 1 1452.3.e.b 1
99.h odd 6 1 1452.3.e.b 1
144.u even 12 2 768.3.h.b 2
144.v odd 12 2 768.3.h.b 2
144.w odd 12 2 768.3.h.a 2
144.x even 12 2 768.3.h.a 2
180.n even 6 1 1200.3.l.b 1
180.p odd 6 1 1200.3.l.b 1
180.v odd 12 2 1200.3.c.c 2
180.x even 12 2 1200.3.c.c 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
12.3.c.a 1 9.c even 3 1
12.3.c.a 1 9.d odd 6 1
48.3.e.a 1 36.f odd 6 1
48.3.e.a 1 36.h even 6 1
192.3.e.a 1 72.l even 6 1
192.3.e.a 1 72.p odd 6 1
192.3.e.b 1 72.j odd 6 1
192.3.e.b 1 72.n even 6 1
300.3.b.a 2 45.k odd 12 2
300.3.b.a 2 45.l even 12 2
300.3.g.b 1 45.h odd 6 1
300.3.g.b 1 45.j even 6 1
324.3.g.b 2 1.a even 1 1 trivial
324.3.g.b 2 3.b odd 2 1 CM
324.3.g.b 2 9.c even 3 1 inner
324.3.g.b 2 9.d odd 6 1 inner
588.3.c.c 1 63.l odd 6 1
588.3.c.c 1 63.o even 6 1
588.3.p.b 2 63.i even 6 1
588.3.p.b 2 63.k odd 6 1
588.3.p.b 2 63.s even 6 1
588.3.p.b 2 63.t odd 6 1
588.3.p.c 2 63.g even 3 1
588.3.p.c 2 63.h even 3 1
588.3.p.c 2 63.j odd 6 1
588.3.p.c 2 63.n odd 6 1
768.3.h.a 2 144.w odd 12 2
768.3.h.a 2 144.x even 12 2
768.3.h.b 2 144.u even 12 2
768.3.h.b 2 144.v odd 12 2
1200.3.c.c 2 180.v odd 12 2
1200.3.c.c 2 180.x even 12 2
1200.3.l.b 1 180.n even 6 1
1200.3.l.b 1 180.p odd 6 1
1296.3.q.b 2 4.b odd 2 1
1296.3.q.b 2 12.b even 2 1
1296.3.q.b 2 36.f odd 6 1
1296.3.q.b 2 36.h even 6 1
1452.3.e.b 1 99.g even 6 1
1452.3.e.b 1 99.h odd 6 1

Hecke kernels

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

\( T_{5} \) Copy content Toggle raw display
\( T_{7}^{2} + 2T_{7} + 4 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} \) Copy content Toggle raw display
$3$ \( T^{2} \) Copy content Toggle raw display
$5$ \( T^{2} \) Copy content Toggle raw display
$7$ \( T^{2} + 2T + 4 \) Copy content Toggle raw display
$11$ \( T^{2} \) Copy content Toggle raw display
$13$ \( T^{2} - 22T + 484 \) Copy content Toggle raw display
$17$ \( T^{2} \) Copy content Toggle raw display
$19$ \( (T - 26)^{2} \) Copy content Toggle raw display
$23$ \( T^{2} \) Copy content Toggle raw display
$29$ \( T^{2} \) Copy content Toggle raw display
$31$ \( T^{2} - 46T + 2116 \) Copy content Toggle raw display
$37$ \( (T - 26)^{2} \) Copy content Toggle raw display
$41$ \( T^{2} \) Copy content Toggle raw display
$43$ \( T^{2} - 22T + 484 \) Copy content Toggle raw display
$47$ \( T^{2} \) Copy content Toggle raw display
$53$ \( T^{2} \) Copy content Toggle raw display
$59$ \( T^{2} \) Copy content Toggle raw display
$61$ \( T^{2} + 74T + 5476 \) Copy content Toggle raw display
$67$ \( T^{2} + 122T + 14884 \) Copy content Toggle raw display
$71$ \( T^{2} \) Copy content Toggle raw display
$73$ \( (T + 46)^{2} \) Copy content Toggle raw display
$79$ \( T^{2} - 142T + 20164 \) Copy content Toggle raw display
$83$ \( T^{2} \) Copy content Toggle raw display
$89$ \( T^{2} \) Copy content Toggle raw display
$97$ \( T^{2} + 2T + 4 \) Copy content Toggle raw display
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