Properties

Label 624.2.bz.e
Level $624$
Weight $2$
Character orbit 624.bz
Analytic conductor $4.983$
Analytic rank $0$
Dimension $8$
CM no
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [624,2,Mod(95,624)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(624, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([3, 0, 3, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("624.95");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 624 = 2^{4} \cdot 3 \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 624.bz (of order \(6\), degree \(2\), 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: \(4.98266508613\)
Analytic rank: \(0\)
Dimension: \(8\)
Relative dimension: \(4\) over \(\Q(\zeta_{6})\)
Coefficient field: 8.0.3317760000.8
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} + 4x^{6} + 7x^{4} + 36x^{2} + 81 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 3 \)
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.

\(f(q)\) \(=\) \( q - \beta_1 q^{3} + ( - \beta_{4} + \beta_{2}) q^{5} + (\beta_{7} + \beta_{6} - \beta_{5}) q^{7} + (\beta_{4} + 2 \beta_{3} - 2) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_1 q^{3} + ( - \beta_{4} + \beta_{2}) q^{5} + (\beta_{7} + \beta_{6} - \beta_{5}) q^{7} + (\beta_{4} + 2 \beta_{3} - 2) q^{9} + ( - 3 \beta_{6} - \beta_{5} + 2 \beta_1) q^{11} + (3 \beta_{3} - 4) q^{13} + (\beta_{6} - 3 \beta_{5} + \beta_1) q^{15} - \beta_{4} q^{17} + ( - 2 \beta_{7} - 2 \beta_{6} + 2 \beta_{5}) q^{19} + (\beta_{4} - 2 \beta_{3} - \beta_{2} + 1) q^{21} + 10 q^{25} + ( - \beta_{7} - 3 \beta_{6} + \cdots + \beta_1) q^{27}+ \cdots + ( - 3 \beta_{7} + 4 \beta_{6} + 4 \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q - 8 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 8 q - 8 q^{9} - 20 q^{13} + 80 q^{25} - 60 q^{33} + 12 q^{37} - 60 q^{45} + 4 q^{49} + 28 q^{61} + 4 q^{81} + 60 q^{85} - 36 q^{93} + 72 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} + 4x^{6} + 7x^{4} + 36x^{2} + 81 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -\nu^{6} + 14\nu^{4} - 7\nu^{2} - 36 ) / 63 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 4\nu^{6} + 7\nu^{4} + 28\nu^{2} + 144 ) / 63 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -8\nu^{6} - 14\nu^{4} + 7\nu^{2} - 162 ) / 63 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 11\nu^{7} + 35\nu^{5} + 14\nu^{3} + 333\nu ) / 189 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 4\nu^{7} + 7\nu^{5} + 28\nu^{3} + 144\nu ) / 63 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -2\nu^{7} + \nu^{5} - 5\nu^{3} - 63\nu ) / 27 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{4} + 2\beta_{3} - 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{7} + 3\beta_{6} - 2\beta_{5} - \beta_1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( \beta_{3} + 4\beta_{2} \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( 4\beta_{7} + \beta_{6} + 4\beta_{5} \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( -7\beta_{4} - 7\beta_{2} - 22 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( -14\beta_{7} - 7\beta_{6} + 7\beta_{5} - 29\beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/624\mathbb{Z}\right)^\times\).

\(n\) \(79\) \(145\) \(209\) \(469\)
\(\chi(n)\) \(-1\) \(1 - \beta_{3}\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
95.1
1.40294 1.01575i
0.178197 1.72286i
−0.178197 + 1.72286i
−1.40294 + 1.01575i
1.40294 + 1.01575i
0.178197 + 1.72286i
−0.178197 1.72286i
−1.40294 1.01575i
0 −1.40294 + 1.01575i 0 −3.87298 0 −1.22474 2.12132i 0 0.936492 2.85008i 0
95.2 0 −0.178197 + 1.72286i 0 3.87298 0 1.22474 + 2.12132i 0 −2.93649 0.614017i 0
95.3 0 0.178197 1.72286i 0 3.87298 0 −1.22474 2.12132i 0 −2.93649 0.614017i 0
95.4 0 1.40294 1.01575i 0 −3.87298 0 1.22474 + 2.12132i 0 0.936492 2.85008i 0
335.1 0 −1.40294 1.01575i 0 −3.87298 0 −1.22474 + 2.12132i 0 0.936492 + 2.85008i 0
335.2 0 −0.178197 1.72286i 0 3.87298 0 1.22474 2.12132i 0 −2.93649 + 0.614017i 0
335.3 0 0.178197 + 1.72286i 0 3.87298 0 −1.22474 + 2.12132i 0 −2.93649 + 0.614017i 0
335.4 0 1.40294 + 1.01575i 0 −3.87298 0 1.22474 2.12132i 0 0.936492 + 2.85008i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 95.4
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
4.b odd 2 1 inner
12.b even 2 1 inner
13.e even 6 1 inner
39.h odd 6 1 inner
52.i odd 6 1 inner
156.r even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 624.2.bz.e 8
3.b odd 2 1 inner 624.2.bz.e 8
4.b odd 2 1 inner 624.2.bz.e 8
12.b even 2 1 inner 624.2.bz.e 8
13.e even 6 1 inner 624.2.bz.e 8
39.h odd 6 1 inner 624.2.bz.e 8
52.i odd 6 1 inner 624.2.bz.e 8
156.r even 6 1 inner 624.2.bz.e 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
624.2.bz.e 8 1.a even 1 1 trivial
624.2.bz.e 8 3.b odd 2 1 inner
624.2.bz.e 8 4.b odd 2 1 inner
624.2.bz.e 8 12.b even 2 1 inner
624.2.bz.e 8 13.e even 6 1 inner
624.2.bz.e 8 39.h odd 6 1 inner
624.2.bz.e 8 52.i odd 6 1 inner
624.2.bz.e 8 156.r even 6 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(624, [\chi])\):

\( T_{5}^{2} - 15 \) Copy content Toggle raw display
\( T_{7}^{4} + 6T_{7}^{2} + 36 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} \) Copy content Toggle raw display
$3$ \( T^{8} + 4 T^{6} + \cdots + 81 \) Copy content Toggle raw display
$5$ \( (T^{2} - 15)^{4} \) Copy content Toggle raw display
$7$ \( (T^{4} + 6 T^{2} + 36)^{2} \) Copy content Toggle raw display
$11$ \( (T^{4} - 30 T^{2} + 900)^{2} \) Copy content Toggle raw display
$13$ \( (T^{2} + 5 T + 13)^{4} \) Copy content Toggle raw display
$17$ \( (T^{4} - 5 T^{2} + 25)^{2} \) Copy content Toggle raw display
$19$ \( (T^{4} + 24 T^{2} + 576)^{2} \) Copy content Toggle raw display
$23$ \( T^{8} \) Copy content Toggle raw display
$29$ \( (T^{4} - 5 T^{2} + 25)^{2} \) Copy content Toggle raw display
$31$ \( (T^{2} - 54)^{4} \) Copy content Toggle raw display
$37$ \( (T^{2} - 3 T + 3)^{4} \) Copy content Toggle raw display
$41$ \( (T^{4} + 15 T^{2} + 225)^{2} \) Copy content Toggle raw display
$43$ \( (T^{4} - 18 T^{2} + 324)^{2} \) Copy content Toggle raw display
$47$ \( T^{8} \) Copy content Toggle raw display
$53$ \( (T^{2} + 5)^{4} \) Copy content Toggle raw display
$59$ \( (T^{4} - 120 T^{2} + 14400)^{2} \) Copy content Toggle raw display
$61$ \( (T^{2} - 7 T + 49)^{4} \) Copy content Toggle raw display
$67$ \( (T^{4} + 216 T^{2} + 46656)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} - 120 T^{2} + 14400)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} + 3)^{4} \) Copy content Toggle raw display
$79$ \( (T^{2} + 72)^{4} \) Copy content Toggle raw display
$83$ \( (T^{2} + 30)^{4} \) Copy content Toggle raw display
$89$ \( (T^{4} + 240 T^{2} + 57600)^{2} \) Copy content Toggle raw display
$97$ \( (T^{2} - 18 T + 108)^{4} \) Copy content Toggle raw display
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