Properties

Label 1152.2.k.e
Level $1152$
Weight $2$
Character orbit 1152.k
Analytic conductor $9.199$
Analytic rank $0$
Dimension $8$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1152,2,Mod(289,1152)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1152, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([0, 3, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1152.289");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1152 = 2^{7} \cdot 3^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1152.k (of order \(4\), 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: \(9.19876631285\)
Analytic rank: \(0\)
Dimension: \(8\)
Relative dimension: \(4\) over \(\Q(i)\)
Coefficient field: 8.0.629407744.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - 2x^{6} + 2x^{4} - 8x^{2} + 16 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{6} \)
Twist minimal: no (minimal twist has level 144)
Sato-Tate group: $\mathrm{SU}(2)[C_{4}]$

$q$-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.

\(f(q)\) \(=\) \( q + \beta_{2} q^{5} + (\beta_{7} - \beta_{3}) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{2} q^{5} + (\beta_{7} - \beta_{3}) q^{7} + (\beta_{2} + \beta_1) q^{11} + (\beta_{7} - \beta_{6}) q^{13} + ( - \beta_{5} - \beta_1) q^{17} + ( - \beta_{7} + \beta_{6} - \beta_{3} + 1) q^{19} + ( - \beta_{5} + \beta_{4} + \cdots + \beta_1) q^{23}+ \cdots - 4 \beta_{6} q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q+O(q^{10}) \) Copy content Toggle raw display \( 8 q + 8 q^{19} - 24 q^{31} - 16 q^{37} + 24 q^{43} - 8 q^{49} - 16 q^{61} - 32 q^{67} + 56 q^{79} + 16 q^{85} - 56 q^{91}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} - 2x^{6} + 2x^{4} - 8x^{2} + 16 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{5} + 2\nu ) / 2 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{7} - 4\nu^{5} + 10\nu^{3} - 4\nu ) / 12 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{6} + 2\nu^{4} - 2\nu^{2} - 4 ) / 12 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -\nu^{7} + \nu^{5} + 2\nu^{3} - 2\nu ) / 6 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -\nu^{7} - 2\nu^{3} + 12\nu ) / 4 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -\nu^{6} + 2\nu^{4} + 2\nu^{2} + 4 ) / 4 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( \nu^{6} - \nu^{4} + 4\nu^{2} - 7 ) / 3 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{5} - \beta_{4} + \beta_{2} + \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{7} + \beta_{6} - \beta_{3} + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{4} + 2\beta_{2} + \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( \beta_{6} + 3\beta_{3} \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -\beta_{5} + \beta_{4} - \beta_{2} + 3\beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( \beta_{7} - \beta_{6} + 5\beta_{3} + 5 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( -\beta_{5} - 4\beta_{4} + \beta_{2} + 2\beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1152\mathbb{Z}\right)^\times\).

\(n\) \(127\) \(641\) \(901\)
\(\chi(n)\) \(1\) \(1\) \(\beta_{3}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
289.1
0.767178 + 1.18804i
−1.38255 + 0.297594i
1.38255 0.297594i
−0.767178 1.18804i
0.767178 1.18804i
−1.38255 0.297594i
1.38255 + 0.297594i
−0.767178 + 1.18804i
0 0 0 −2.37608 + 2.37608i 0 3.64575i 0 0 0
289.2 0 0 0 −0.595188 + 0.595188i 0 1.64575i 0 0 0
289.3 0 0 0 0.595188 0.595188i 0 1.64575i 0 0 0
289.4 0 0 0 2.37608 2.37608i 0 3.64575i 0 0 0
865.1 0 0 0 −2.37608 2.37608i 0 3.64575i 0 0 0
865.2 0 0 0 −0.595188 0.595188i 0 1.64575i 0 0 0
865.3 0 0 0 0.595188 + 0.595188i 0 1.64575i 0 0 0
865.4 0 0 0 2.37608 + 2.37608i 0 3.64575i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 289.4
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
16.e even 4 1 inner
48.i odd 4 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1152.2.k.e 8
3.b odd 2 1 inner 1152.2.k.e 8
4.b odd 2 1 1152.2.k.d 8
8.b even 2 1 144.2.k.c 8
8.d odd 2 1 576.2.k.c 8
12.b even 2 1 1152.2.k.d 8
16.e even 4 1 144.2.k.c 8
16.e even 4 1 inner 1152.2.k.e 8
16.f odd 4 1 576.2.k.c 8
16.f odd 4 1 1152.2.k.d 8
24.f even 2 1 576.2.k.c 8
24.h odd 2 1 144.2.k.c 8
32.g even 8 2 9216.2.a.bq 8
32.h odd 8 2 9216.2.a.bt 8
48.i odd 4 1 144.2.k.c 8
48.i odd 4 1 inner 1152.2.k.e 8
48.k even 4 1 576.2.k.c 8
48.k even 4 1 1152.2.k.d 8
96.o even 8 2 9216.2.a.bt 8
96.p odd 8 2 9216.2.a.bq 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
144.2.k.c 8 8.b even 2 1
144.2.k.c 8 16.e even 4 1
144.2.k.c 8 24.h odd 2 1
144.2.k.c 8 48.i odd 4 1
576.2.k.c 8 8.d odd 2 1
576.2.k.c 8 16.f odd 4 1
576.2.k.c 8 24.f even 2 1
576.2.k.c 8 48.k even 4 1
1152.2.k.d 8 4.b odd 2 1
1152.2.k.d 8 12.b even 2 1
1152.2.k.d 8 16.f odd 4 1
1152.2.k.d 8 48.k even 4 1
1152.2.k.e 8 1.a even 1 1 trivial
1152.2.k.e 8 3.b odd 2 1 inner
1152.2.k.e 8 16.e even 4 1 inner
1152.2.k.e 8 48.i odd 4 1 inner
9216.2.a.bq 8 32.g even 8 2
9216.2.a.bq 8 96.p odd 8 2
9216.2.a.bt 8 32.h odd 8 2
9216.2.a.bt 8 96.o even 8 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1152, [\chi])\):

\( T_{5}^{8} + 128T_{5}^{4} + 64 \) Copy content Toggle raw display
\( T_{11}^{8} + 512T_{11}^{4} + 1024 \) Copy content Toggle raw display
\( T_{19}^{4} - 4T_{19}^{3} + 8T_{19}^{2} + 48T_{19} + 144 \) 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
$5$ \( T^{8} + 128T^{4} + 64 \) Copy content Toggle raw display
$7$ \( (T^{4} + 16 T^{2} + 36)^{2} \) Copy content Toggle raw display
$11$ \( T^{8} + 512T^{4} + 1024 \) Copy content Toggle raw display
$13$ \( (T^{4} + 196)^{2} \) Copy content Toggle raw display
$17$ \( (T^{4} - 40 T^{2} + 288)^{2} \) Copy content Toggle raw display
$19$ \( (T^{4} - 4 T^{3} + \cdots + 144)^{2} \) Copy content Toggle raw display
$23$ \( (T^{4} + 80 T^{2} + 1152)^{2} \) Copy content Toggle raw display
$29$ \( T^{8} + 5632 T^{4} + 5184 \) Copy content Toggle raw display
$31$ \( (T^{2} + 6 T + 2)^{4} \) Copy content Toggle raw display
$37$ \( (T^{4} + 8 T^{3} + 32 T^{2} + \cdots + 36)^{2} \) Copy content Toggle raw display
$41$ \( (T^{4} + 104 T^{2} + 2592)^{2} \) Copy content Toggle raw display
$43$ \( (T^{4} - 12 T^{3} + \cdots + 16)^{2} \) Copy content Toggle raw display
$47$ \( (T^{4} - 208 T^{2} + 10368)^{2} \) Copy content Toggle raw display
$53$ \( T^{8} + 5888 T^{4} + 8340544 \) Copy content Toggle raw display
$59$ \( T^{8} + 16384 T^{4} + 21233664 \) Copy content Toggle raw display
$61$ \( (T^{4} + 8 T^{3} + 32 T^{2} + \cdots + 36)^{2} \) Copy content Toggle raw display
$67$ \( (T^{2} + 8 T + 32)^{4} \) Copy content Toggle raw display
$71$ \( (T^{4} + 192 T^{2} + 2048)^{2} \) Copy content Toggle raw display
$73$ \( (T^{4} + 64 T^{2} + 576)^{2} \) Copy content Toggle raw display
$79$ \( (T^{2} - 14 T + 42)^{4} \) Copy content Toggle raw display
$83$ \( T^{8} + 512T^{4} + 1024 \) Copy content Toggle raw display
$89$ \( (T^{4} + 96 T^{2} + 512)^{2} \) Copy content Toggle raw display
$97$ \( (T^{2} - 112)^{4} \) Copy content Toggle raw display
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