Properties

Label 324.8.e.h
Level $324$
Weight $8$
Character orbit 324.e
Analytic conductor $101.213$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $4$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [324,8,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, 8, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("324.109");
 
S:= CuspForms(chi, 8);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 324 = 2^{2} \cdot 3^{4} \)
Weight: \( k \) \(=\) \( 8 \)
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: \(101.212748257\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{3})\)
Coefficient field: \(\Q(\sqrt{-3}, \sqrt{-65})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - 65x^{2} + 4225 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{4}\cdot 3^{5} \)
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.

\(f(q)\) \(=\) \( q - \beta_{2} q^{5} + (1553 \beta_1 - 1553) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{2} q^{5} + (1553 \beta_1 - 1553) q^{7} + ( - 13 \beta_{3} + 13 \beta_{2}) q^{11} + 799 \beta_1 q^{13} + 23 \beta_{3} q^{17} - 35533 q^{19} + 211 \beta_{2} q^{23} + (174595 \beta_1 - 174595) q^{25} + (296 \beta_{3} - 296 \beta_{2}) q^{29} - 77828 \beta_1 q^{31} + 1553 \beta_{3} q^{35} + 237383 q^{37} + 752 \beta_{2} q^{41} + ( - 26200 \beta_1 + 26200) q^{43} + ( - 777 \beta_{3} + 777 \beta_{2}) q^{47} - 1588266 \beta_1 q^{49} - 3458 \beta_{3} q^{53} + 3285360 q^{55} - 389 \beta_{2} q^{59} + (423059 \beta_1 - 423059) q^{61} + (799 \beta_{3} - 799 \beta_{2}) q^{65} - 1950023 \beta_1 q^{67} - 3214 \beta_{3} q^{71} - 3470239 q^{73} - 20189 \beta_{2} q^{77} + (4678583 \beta_1 - 4678583) q^{79} + ( - 3810 \beta_{3} + 3810 \beta_{2}) q^{83} - 5812560 \beta_1 q^{85} - 5197 \beta_{3} q^{89} - 1240847 q^{91} + 35533 \beta_{2} q^{95} + ( - 8300083 \beta_1 + 8300083) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 3106 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 3106 q^{7} + 1598 q^{13} - 142132 q^{19} - 349190 q^{25} - 155656 q^{31} + 949532 q^{37} + 52400 q^{43} - 3176532 q^{49} + 13141440 q^{55} - 846118 q^{61} - 3900046 q^{67} - 13880956 q^{73} - 9357166 q^{79} - 11625120 q^{85} - 4963388 q^{91} + 16600166 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} - 65x^{2} + 4225 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{2} ) / 65 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 36\nu^{3} + 2340\nu ) / 65 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -36\nu^{3} + 4680\nu ) / 65 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{3} + \beta_{2} ) / 108 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( 65\beta_1 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -65\beta_{3} + 130\beta_{2} ) / 108 \) 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
6.98212 4.03113i
−6.98212 + 4.03113i
6.98212 + 4.03113i
−6.98212 4.03113i
0 0 0 −251.356 + 435.362i 0 −776.500 1344.94i 0 0 0
109.2 0 0 0 251.356 435.362i 0 −776.500 1344.94i 0 0 0
217.1 0 0 0 −251.356 435.362i 0 −776.500 + 1344.94i 0 0 0
217.2 0 0 0 251.356 + 435.362i 0 −776.500 + 1344.94i 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 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 324.8.e.h 4
3.b odd 2 1 inner 324.8.e.h 4
9.c even 3 1 108.8.a.d 2
9.c even 3 1 inner 324.8.e.h 4
9.d odd 6 1 108.8.a.d 2
9.d odd 6 1 inner 324.8.e.h 4
36.f odd 6 1 432.8.a.l 2
36.h even 6 1 432.8.a.l 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
108.8.a.d 2 9.c even 3 1
108.8.a.d 2 9.d odd 6 1
324.8.e.h 4 1.a even 1 1 trivial
324.8.e.h 4 3.b odd 2 1 inner
324.8.e.h 4 9.c even 3 1 inner
324.8.e.h 4 9.d odd 6 1 inner
432.8.a.l 2 36.f odd 6 1
432.8.a.l 2 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 \(S_{8}^{\mathrm{new}}(324, [\chi])\):

\( T_{5}^{4} + 252720T_{5}^{2} + 63867398400 \) Copy content Toggle raw display
\( T_{7}^{2} + 1553T_{7} + 2411809 \) 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
$5$ \( T^{4} + \cdots + 63867398400 \) Copy content Toggle raw display
$7$ \( (T^{2} + 1553 T + 2411809)^{2} \) Copy content Toggle raw display
$11$ \( T^{4} + \cdots + 18\!\cdots\!00 \) Copy content Toggle raw display
$13$ \( (T^{2} - 799 T + 638401)^{2} \) Copy content Toggle raw display
$17$ \( (T^{2} - 133688880)^{2} \) Copy content Toggle raw display
$19$ \( (T + 35533)^{4} \) Copy content Toggle raw display
$23$ \( T^{4} + \cdots + 12\!\cdots\!00 \) Copy content Toggle raw display
$29$ \( T^{4} + \cdots + 49\!\cdots\!00 \) Copy content Toggle raw display
$31$ \( (T^{2} + 77828 T + 6057197584)^{2} \) Copy content Toggle raw display
$37$ \( (T - 237383)^{4} \) Copy content Toggle raw display
$41$ \( T^{4} + \cdots + 20\!\cdots\!00 \) Copy content Toggle raw display
$43$ \( (T^{2} - 26200 T + 686440000)^{2} \) Copy content Toggle raw display
$47$ \( T^{4} + \cdots + 23\!\cdots\!00 \) Copy content Toggle raw display
$53$ \( (T^{2} - 3021966118080)^{2} \) Copy content Toggle raw display
$59$ \( T^{4} + \cdots + 14\!\cdots\!00 \) Copy content Toggle raw display
$61$ \( (T^{2} + 423059 T + 178978917481)^{2} \) Copy content Toggle raw display
$67$ \( (T^{2} + \cdots + 3802589700529)^{2} \) Copy content Toggle raw display
$71$ \( (T^{2} - 2610546045120)^{2} \) Copy content Toggle raw display
$73$ \( (T + 3470239)^{4} \) Copy content Toggle raw display
$79$ \( (T^{2} + \cdots + 21889138887889)^{2} \) Copy content Toggle raw display
$83$ \( T^{4} + \cdots + 13\!\cdots\!00 \) Copy content Toggle raw display
$89$ \( (T^{2} - 6825666210480)^{2} \) Copy content Toggle raw display
$97$ \( (T^{2} + \cdots + 68891377806889)^{2} \) Copy content Toggle raw display
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