Properties

Label 2304.3.e.m
Level $2304$
Weight $3$
Character orbit 2304.e
Analytic conductor $62.779$
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] = [2304,3,Mod(1025,2304)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2304, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 1]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2304.1025");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2304 = 2^{8} \cdot 3^{2} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 2304.e (of order \(2\), degree \(1\), 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: \(62.7794529086\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: 8.0.5473632256.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} + 49x^{4} + 256 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{17}]\)
Coefficient ring index: \( 2^{14} \)
Twist minimal: no (minimal twist has level 1152)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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.

\(f(q)\) \(=\) \( q + \beta_{6} q^{5} + \beta_{5} q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{6} q^{5} + \beta_{5} q^{7} - \beta_{3} q^{11} - \beta_{4} q^{13} - 5 \beta_{2} q^{17} + \beta_{7} q^{19} + 5 \beta_1 q^{23} - 9 q^{25} + 5 \beta_{6} q^{29} - 15 \beta_{5} q^{31} + \beta_{3} q^{35} - 6 \beta_{4} q^{37} - 19 \beta_{2} q^{41} - 11 \beta_1 q^{47} - 41 q^{49} + 5 \beta_{6} q^{53} + 34 \beta_{5} q^{55} + 4 \beta_{3} q^{59} - 10 \beta_{4} q^{61} - 34 \beta_{2} q^{65} - 5 \beta_{7} q^{67} + 25 \beta_1 q^{71} - 40 q^{73} - 8 \beta_{6} q^{77} - 45 \beta_{5} q^{79} - 5 \beta_{3} q^{83} + 5 \beta_{4} q^{85} - 81 \beta_{2} q^{89} - \beta_{7} q^{91} - 34 \beta_1 q^{95} - 40 q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q+O(q^{10}) \) Copy content Toggle raw display \( 8 q - 72 q^{25} - 328 q^{49} - 320 q^{73} - 320 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} + 49x^{4} + 256 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{6} + 65\nu^{2} ) / 36 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -5\nu^{7} - 16\nu^{5} - 181\nu^{3} - 464\nu ) / 576 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -\nu^{6} - 33\nu^{2} ) / 4 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 4\nu^{4} + 98 ) / 9 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -5\nu^{7} + 16\nu^{5} - 181\nu^{3} + 464\nu ) / 288 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -13\nu^{7} - 16\nu^{5} - 701\nu^{3} - 1616\nu ) / 576 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -13\nu^{7} + 16\nu^{5} - 701\nu^{3} + 1616\nu ) / 144 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{7} - 4\beta_{6} - 2\beta_{5} + 4\beta_{2} ) / 16 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{3} + 9\beta_1 ) / 8 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -5\beta_{7} - 20\beta_{6} + 26\beta_{5} + 52\beta_{2} ) / 16 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 9\beta_{4} - 98 ) / 4 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -29\beta_{7} + 116\beta_{6} + 202\beta_{5} - 404\beta_{2} ) / 16 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( -65\beta_{3} - 297\beta_1 ) / 8 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 181\beta_{7} + 724\beta_{6} - 1402\beta_{5} - 2804\beta_{2} ) / 16 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2304\mathbb{Z}\right)^\times\).

\(n\) \(1279\) \(1793\) \(2053\)
\(\chi(n)\) \(1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1025.1
−1.10418 + 1.10418i
1.81129 + 1.81129i
1.10418 + 1.10418i
−1.81129 + 1.81129i
−1.10418 1.10418i
1.81129 1.81129i
1.10418 1.10418i
−1.81129 1.81129i
0 0 0 5.83095i 0 −2.82843 0 0 0
1025.2 0 0 0 5.83095i 0 −2.82843 0 0 0
1025.3 0 0 0 5.83095i 0 2.82843 0 0 0
1025.4 0 0 0 5.83095i 0 2.82843 0 0 0
1025.5 0 0 0 5.83095i 0 −2.82843 0 0 0
1025.6 0 0 0 5.83095i 0 −2.82843 0 0 0
1025.7 0 0 0 5.83095i 0 2.82843 0 0 0
1025.8 0 0 0 5.83095i 0 2.82843 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1025.8
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
8.b even 2 1 inner
8.d odd 2 1 inner
12.b even 2 1 inner
24.f even 2 1 inner
24.h odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2304.3.e.m 8
3.b odd 2 1 inner 2304.3.e.m 8
4.b odd 2 1 inner 2304.3.e.m 8
8.b even 2 1 inner 2304.3.e.m 8
8.d odd 2 1 inner 2304.3.e.m 8
12.b even 2 1 inner 2304.3.e.m 8
16.e even 4 2 1152.3.h.f 8
16.f odd 4 2 1152.3.h.f 8
24.f even 2 1 inner 2304.3.e.m 8
24.h odd 2 1 inner 2304.3.e.m 8
48.i odd 4 2 1152.3.h.f 8
48.k even 4 2 1152.3.h.f 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1152.3.h.f 8 16.e even 4 2
1152.3.h.f 8 16.f odd 4 2
1152.3.h.f 8 48.i odd 4 2
1152.3.h.f 8 48.k even 4 2
2304.3.e.m 8 1.a even 1 1 trivial
2304.3.e.m 8 3.b odd 2 1 inner
2304.3.e.m 8 4.b odd 2 1 inner
2304.3.e.m 8 8.b even 2 1 inner
2304.3.e.m 8 8.d odd 2 1 inner
2304.3.e.m 8 12.b even 2 1 inner
2304.3.e.m 8 24.f even 2 1 inner
2304.3.e.m 8 24.h odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(2304, [\chi])\):

\( T_{5}^{2} + 34 \) Copy content Toggle raw display
\( T_{7}^{2} - 8 \) Copy content Toggle raw display
\( T_{13}^{2} - 68 \) Copy content Toggle raw display
\( T_{19}^{2} - 544 \) Copy content Toggle raw display
\( T_{31}^{2} - 1800 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} \) Copy content Toggle raw display
$3$ \( T^{8} \) Copy content Toggle raw display
$5$ \( (T^{2} + 34)^{4} \) Copy content Toggle raw display
$7$ \( (T^{2} - 8)^{4} \) Copy content Toggle raw display
$11$ \( (T^{2} + 272)^{4} \) Copy content Toggle raw display
$13$ \( (T^{2} - 68)^{4} \) Copy content Toggle raw display
$17$ \( (T^{2} + 50)^{4} \) Copy content Toggle raw display
$19$ \( (T^{2} - 544)^{4} \) Copy content Toggle raw display
$23$ \( (T^{2} + 400)^{4} \) Copy content Toggle raw display
$29$ \( (T^{2} + 850)^{4} \) Copy content Toggle raw display
$31$ \( (T^{2} - 1800)^{4} \) Copy content Toggle raw display
$37$ \( (T^{2} - 2448)^{4} \) Copy content Toggle raw display
$41$ \( (T^{2} + 722)^{4} \) Copy content Toggle raw display
$43$ \( T^{8} \) Copy content Toggle raw display
$47$ \( (T^{2} + 1936)^{4} \) Copy content Toggle raw display
$53$ \( (T^{2} + 850)^{4} \) Copy content Toggle raw display
$59$ \( (T^{2} + 4352)^{4} \) Copy content Toggle raw display
$61$ \( (T^{2} - 6800)^{4} \) Copy content Toggle raw display
$67$ \( (T^{2} - 13600)^{4} \) Copy content Toggle raw display
$71$ \( (T^{2} + 10000)^{4} \) Copy content Toggle raw display
$73$ \( (T + 40)^{8} \) Copy content Toggle raw display
$79$ \( (T^{2} - 16200)^{4} \) Copy content Toggle raw display
$83$ \( (T^{2} + 6800)^{4} \) Copy content Toggle raw display
$89$ \( (T^{2} + 13122)^{4} \) Copy content Toggle raw display
$97$ \( (T + 40)^{8} \) Copy content Toggle raw display
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