Properties

Label 324.6.e.g
Level $324$
Weight $6$
Character orbit 324.e
Analytic conductor $51.964$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [324,6,Mod(109,324)]
 
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, 2]))
 
N = Newforms(chi, 6, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("324.109");
 
S:= CuspForms(chi, 6);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 324 = 2^{2} \cdot 3^{4} \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 324.e (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: \(51.9643576194\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{3})\)
Coefficient field: \(\Q(\sqrt{-3}, \sqrt{41})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{3} + 11x^{2} + 10x + 100 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{2}\cdot 3^{4} \)
Twist minimal: no (minimal twist has level 108)
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 \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{2} q^{5} + ( - 3 \beta_{3} - 3 \beta_{2} + \cdots + 16) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{2} q^{5} + ( - 3 \beta_{3} - 3 \beta_{2} + \cdots + 16) q^{7}+ \cdots + (1272 \beta_{3} + 1272 \beta_{2} + \cdots - 44471) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 32 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 4 q + 32 q^{7} + 486 q^{11} - 208 q^{13} - 3888 q^{17} - 1264 q^{19} + 6804 q^{23} - 392 q^{25} + 11664 q^{29} - 3328 q^{31} - 39852 q^{35} - 19912 q^{37} + 13608 q^{41} - 4960 q^{43} + 18468 q^{47} - 26676 q^{49} + 23328 q^{53} - 106272 q^{55} + 1944 q^{59} - 8176 q^{61} - 79704 q^{65} - 90064 q^{67} + 89424 q^{71} - 242428 q^{73} - 167184 q^{77} - 28768 q^{79} - 15066 q^{83} - 132840 q^{85} + 357696 q^{89} - 484880 q^{91} + 39852 q^{95} - 88942 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} - x^{3} + 11x^{2} + 10x + 100 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -\nu^{3} + 11\nu^{2} - 11\nu + 100 ) / 110 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 9\nu^{3} - 99\nu^{2} + 2079\nu - 900 ) / 110 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 18\nu^{3} + 279 ) / 11 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{2} + 9\beta_1 ) / 18 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{3} + \beta_{2} + 189\beta _1 - 189 ) / 18 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 11\beta_{3} - 279 ) / 18 \) Copy content Toggle raw display

Character values

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

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

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
109.1
1.85078 3.20565i
−1.35078 + 2.33962i
1.85078 + 3.20565i
−1.35078 2.33962i
0 0 0 −28.8141 + 49.9074i 0 94.4422 + 163.579i 0 0 0
109.2 0 0 0 28.8141 49.9074i 0 −78.4422 135.866i 0 0 0
217.1 0 0 0 −28.8141 49.9074i 0 94.4422 163.579i 0 0 0
217.2 0 0 0 28.8141 + 49.9074i 0 −78.4422 + 135.866i 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
9.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 324.6.e.g 4
3.b odd 2 1 324.6.e.f 4
9.c even 3 1 108.6.a.b 2
9.c even 3 1 inner 324.6.e.g 4
9.d odd 6 1 108.6.a.c yes 2
9.d odd 6 1 324.6.e.f 4
36.f odd 6 1 432.6.a.r 2
36.h even 6 1 432.6.a.q 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
108.6.a.b 2 9.c even 3 1
108.6.a.c yes 2 9.d odd 6 1
324.6.e.f 4 3.b odd 2 1
324.6.e.f 4 9.d odd 6 1
324.6.e.g 4 1.a even 1 1 trivial
324.6.e.g 4 9.c even 3 1 inner
432.6.a.q 2 36.h even 6 1
432.6.a.r 2 36.f odd 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{6}^{\mathrm{new}}(324, [\chi])\):

\( T_{5}^{4} + 3321T_{5}^{2} + 11029041 \) Copy content Toggle raw display
\( T_{7}^{4} - 32T_{7}^{3} + 30657T_{7}^{2} + 948256T_{7} + 878114689 \) Copy content Toggle raw display
\( T_{11}^{4} - 486T_{11}^{3} + 389691T_{11}^{2} + 74598570T_{11} + 23560715025 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( T^{4} \) Copy content Toggle raw display
$5$ \( T^{4} + 3321 T^{2} + 11029041 \) Copy content Toggle raw display
$7$ \( T^{4} - 32 T^{3} + \cdots + 878114689 \) Copy content Toggle raw display
$11$ \( T^{4} + \cdots + 23560715025 \) Copy content Toggle raw display
$13$ \( T^{4} + \cdots + 218470238464 \) Copy content Toggle raw display
$17$ \( (T^{2} + 1944 T - 383616)^{2} \) Copy content Toggle raw display
$19$ \( (T^{2} + 632 T - 19700)^{2} \) Copy content Toggle raw display
$23$ \( T^{4} + \cdots + 132721182939024 \) Copy content Toggle raw display
$29$ \( T^{4} + \cdots + 853615558890000 \) Copy content Toggle raw display
$31$ \( T^{4} + \cdots + 361767437434225 \) Copy content Toggle raw display
$37$ \( (T^{2} + 9956 T + 12824884)^{2} \) Copy content Toggle raw display
$41$ \( T^{4} + \cdots + 12\!\cdots\!84 \) Copy content Toggle raw display
$43$ \( T^{4} + \cdots + 65\!\cdots\!76 \) Copy content Toggle raw display
$47$ \( T^{4} + \cdots + 21\!\cdots\!00 \) Copy content Toggle raw display
$53$ \( (T^{2} - 11664 T - 352156977)^{2} \) Copy content Toggle raw display
$59$ \( T^{4} + \cdots + 21\!\cdots\!44 \) Copy content Toggle raw display
$61$ \( T^{4} + \cdots + 29\!\cdots\!36 \) Copy content Toggle raw display
$67$ \( T^{4} + \cdots + 18\!\cdots\!76 \) Copy content Toggle raw display
$71$ \( (T^{2} - 44712 T - 1562364288)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} + 121214 T + 2829621313)^{2} \) Copy content Toggle raw display
$79$ \( T^{4} + \cdots + 45\!\cdots\!36 \) Copy content Toggle raw display
$83$ \( T^{4} + \cdots + 10\!\cdots\!25 \) Copy content Toggle raw display
$89$ \( (T^{2} - 178848 T + 7571019132)^{2} \) Copy content Toggle raw display
$97$ \( T^{4} + \cdots + 11\!\cdots\!29 \) Copy content Toggle raw display
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