Properties

Label 324.3.f.d
Level $324$
Weight $3$
Character orbit 324.f
Analytic conductor $8.828$
Analytic rank $0$
Dimension $2$
Inner twists $2$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [324,3,Mod(55,324)] 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("324.55"); S:= CuspForms(chi, 3); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(324, base_ring=CyclotomicField(6)) chi = DirichletCharacter(H, H._module([3, 4])) N = Newforms(chi, 3, names="a")
 
Level: \( N \) \(=\) \( 324 = 2^{2} \cdot 3^{4} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 324.f (of order \(6\), degree \(2\), not minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [2,-2,0,-4,2] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(5)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(8.82836056527\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-3}) \)
Copy content comment:defining polynomial
 
Copy content 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: $\mathrm{SU}(2)[C_{6}]$

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

\(f(q)\) \(=\) \( q + (2 \zeta_{6} - 2) q^{2} - 4 \zeta_{6} q^{4} + ( - 2 \zeta_{6} + 2) q^{5} + (4 \zeta_{6} - 8) q^{7} + 8 q^{8} + 4 \zeta_{6} q^{10} + ( - 4 \zeta_{6} + 8) q^{11} + (2 \zeta_{6} - 2) q^{13} + ( - 16 \zeta_{6} + 8) q^{14} + \cdots - 2 \zeta_{6} q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 2 q^{2} - 4 q^{4} + 2 q^{5} - 12 q^{7} + 16 q^{8} + 4 q^{10} + 12 q^{11} - 2 q^{13} - 16 q^{16} + 20 q^{17} - 16 q^{20} + 48 q^{23} + 21 q^{25} - 4 q^{26} + 48 q^{28} + 26 q^{29} - 12 q^{31} - 32 q^{32}+ \cdots - 2 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

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

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

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
55.1
0.500000 0.866025i
0.500000 + 0.866025i
−1.00000 1.73205i 0 −2.00000 + 3.46410i 1.00000 + 1.73205i 0 −6.00000 3.46410i 8.00000 0 2.00000 3.46410i
271.1 −1.00000 + 1.73205i 0 −2.00000 3.46410i 1.00000 1.73205i 0 −6.00000 + 3.46410i 8.00000 0 2.00000 + 3.46410i
\(n\): e.g. 2-40 or 80-90
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
36.f 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.f.d 2
3.b odd 2 1 324.3.f.g 2
4.b odd 2 1 324.3.f.j 2
9.c even 3 1 12.3.d.a 2
9.c even 3 1 324.3.f.j 2
9.d odd 6 1 36.3.d.c 2
9.d odd 6 1 324.3.f.a 2
12.b even 2 1 324.3.f.a 2
36.f odd 6 1 12.3.d.a 2
36.f odd 6 1 inner 324.3.f.d 2
36.h even 6 1 36.3.d.c 2
36.h even 6 1 324.3.f.g 2
45.h odd 6 1 900.3.c.e 2
45.j even 6 1 300.3.c.b 2
45.k odd 12 2 300.3.f.a 4
45.l even 12 2 900.3.f.c 4
63.l odd 6 1 588.3.g.b 2
72.j odd 6 1 576.3.g.e 2
72.l even 6 1 576.3.g.e 2
72.n even 6 1 192.3.g.b 2
72.p odd 6 1 192.3.g.b 2
144.u even 12 2 2304.3.b.l 4
144.v odd 12 2 768.3.b.c 4
144.w odd 12 2 2304.3.b.l 4
144.x even 12 2 768.3.b.c 4
180.n even 6 1 900.3.c.e 2
180.p odd 6 1 300.3.c.b 2
180.v odd 12 2 900.3.f.c 4
180.x even 12 2 300.3.f.a 4
252.bi even 6 1 588.3.g.b 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
12.3.d.a 2 9.c even 3 1
12.3.d.a 2 36.f odd 6 1
36.3.d.c 2 9.d odd 6 1
36.3.d.c 2 36.h even 6 1
192.3.g.b 2 72.n even 6 1
192.3.g.b 2 72.p odd 6 1
300.3.c.b 2 45.j even 6 1
300.3.c.b 2 180.p odd 6 1
300.3.f.a 4 45.k odd 12 2
300.3.f.a 4 180.x even 12 2
324.3.f.a 2 9.d odd 6 1
324.3.f.a 2 12.b even 2 1
324.3.f.d 2 1.a even 1 1 trivial
324.3.f.d 2 36.f odd 6 1 inner
324.3.f.g 2 3.b odd 2 1
324.3.f.g 2 36.h even 6 1
324.3.f.j 2 4.b odd 2 1
324.3.f.j 2 9.c even 3 1
576.3.g.e 2 72.j odd 6 1
576.3.g.e 2 72.l even 6 1
588.3.g.b 2 63.l odd 6 1
588.3.g.b 2 252.bi even 6 1
768.3.b.c 4 144.v odd 12 2
768.3.b.c 4 144.x even 12 2
900.3.c.e 2 45.h odd 6 1
900.3.c.e 2 180.n even 6 1
900.3.f.c 4 45.l even 12 2
900.3.f.c 4 180.v odd 12 2
2304.3.b.l 4 144.u even 12 2
2304.3.b.l 4 144.w odd 12 2

Hecke kernels

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

\( T_{5}^{2} - 2T_{5} + 4 \) Copy content Toggle raw display
\( T_{7}^{2} + 12T_{7} + 48 \) Copy content Toggle raw display
\( T_{11}^{2} - 12T_{11} + 48 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} + 2T + 4 \) Copy content Toggle raw display
$3$ \( T^{2} \) Copy content Toggle raw display
$5$ \( T^{2} - 2T + 4 \) Copy content Toggle raw display
$7$ \( T^{2} + 12T + 48 \) Copy content Toggle raw display
$11$ \( T^{2} - 12T + 48 \) Copy content Toggle raw display
$13$ \( T^{2} + 2T + 4 \) Copy content Toggle raw display
$17$ \( (T - 10)^{2} \) Copy content Toggle raw display
$19$ \( T^{2} + 432 \) Copy content Toggle raw display
$23$ \( T^{2} - 48T + 768 \) Copy content Toggle raw display
$29$ \( T^{2} - 26T + 676 \) Copy content Toggle raw display
$31$ \( T^{2} + 12T + 48 \) Copy content Toggle raw display
$37$ \( (T - 26)^{2} \) Copy content Toggle raw display
$41$ \( T^{2} + 58T + 3364 \) Copy content Toggle raw display
$43$ \( T^{2} + 84T + 2352 \) Copy content Toggle raw display
$47$ \( T^{2} - 120T + 4800 \) Copy content Toggle raw display
$53$ \( (T + 74)^{2} \) Copy content Toggle raw display
$59$ \( T^{2} - 156T + 8112 \) Copy content Toggle raw display
$61$ \( T^{2} + 26T + 676 \) Copy content Toggle raw display
$67$ \( T^{2} + 12T + 48 \) Copy content Toggle raw display
$71$ \( T^{2} \) Copy content Toggle raw display
$73$ \( (T + 46)^{2} \) Copy content Toggle raw display
$79$ \( T^{2} - 204T + 13872 \) Copy content Toggle raw display
$83$ \( T^{2} - 84T + 2352 \) Copy content Toggle raw display
$89$ \( (T - 82)^{2} \) Copy content Toggle raw display
$97$ \( T^{2} + 2T + 4 \) Copy content Toggle raw display
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