Properties

Label 1188.2.b.a
Level $1188$
Weight $2$
Character orbit 1188.b
Analytic conductor $9.486$
Analytic rank $0$
Dimension $8$
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1188,2,Mod(593,1188)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1188, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 1, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1188.593");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1188 = 2^{2} \cdot 3^{3} \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1188.b (of order \(2\), degree \(1\), 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: \(9.48622776013\)
Analytic rank: \(0\)
Dimension: \(8\)
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: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{4}\cdot 3^{2} \)
Twist minimal: yes
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.

\(f(q)\) \(=\) \( q + ( - \beta_{4} + \beta_{3}) q^{5} - \beta_{5} q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_{4} + \beta_{3}) q^{5} - \beta_{5} q^{7} + ( - \beta_{6} + \beta_{4}) q^{11} + ( - \beta_{5} + \beta_1) q^{13} + \beta_{7} q^{17} + (\beta_{5} + \beta_1) q^{19} - \beta_{4} q^{23} + (2 \beta_{2} - 3) q^{25} + (\beta_{7} + \beta_{6}) q^{29} + (\beta_{2} - 1) q^{31} + ( - 2 \beta_{7} + 3 \beta_{6}) q^{35} + (\beta_{2} + 2) q^{37} + ( - \beta_{7} - 3 \beta_{6}) q^{41} + ( - 2 \beta_{5} + \beta_1) q^{43} + (2 \beta_{4} - 3 \beta_{3}) q^{47} + (3 \beta_{2} - 5) q^{49} + 2 \beta_{4} q^{53} + ( - 2 \beta_{5} - \beta_{2} + 5) q^{55} + ( - \beta_{4} - 4 \beta_{3}) q^{59} + ( - \beta_{5} + 3 \beta_1) q^{61} + ( - 2 \beta_{7} + 2 \beta_{6}) q^{65} + ( - \beta_{2} + 5) q^{67} + (2 \beta_{4} + 2 \beta_{3}) q^{71} + 2 \beta_1 q^{73} + (\beta_{7} - 2 \beta_{6} + \cdots + 3 \beta_{3}) q^{77}+ \cdots + (\beta_{2} + 2) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q+O(q^{10}) \) Copy content Toggle raw display \( 8 q - 24 q^{25} - 8 q^{31} + 16 q^{37} - 40 q^{49} + 40 q^{55} + 40 q^{67} - 72 q^{91} + 16 q^{97}+O(q^{100}) \) 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

\(\beta_{1}\)\(=\) \( ( \nu^{7} - 14\nu^{5} - 119\nu^{3} - 279\nu ) / 189 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -\nu^{6} - 4\nu^{4} + 2\nu^{2} - 18 ) / 9 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 8\nu^{6} + 14\nu^{4} + 56\nu^{2} + 225 ) / 63 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -\nu^{6} - 22 ) / 7 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -11\nu^{7} - 35\nu^{5} - 14\nu^{3} - 522\nu ) / 189 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 2\nu^{7} - \nu^{5} + 5\nu^{3} + 63\nu ) / 27 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -7\nu^{7} - 10\nu^{5} - 31\nu^{3} - 153\nu ) / 27 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{7} + 2\beta_{6} - 2\beta_{5} - \beta_1 ) / 6 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{4} + 2\beta_{3} + \beta_{2} - 2 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -2\beta_{7} - \beta_{6} + 7\beta_{5} - 7\beta_1 ) / 6 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 4\beta_{4} + \beta_{3} - 4\beta_{2} + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -5\beta_{7} - 31\beta_{6} - 17\beta_{5} + 2\beta_1 ) / 6 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( -7\beta_{4} - 22 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( -29\beta_{7} + 5\beta_{6} + 37\beta_{5} + 50\beta_1 ) / 6 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1188\mathbb{Z}\right)^\times\).

\(n\) \(353\) \(541\) \(595\)
\(\chi(n)\) \(-1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
593.1
0.178197 1.72286i
−0.178197 + 1.72286i
−1.40294 1.01575i
1.40294 + 1.01575i
1.40294 1.01575i
−1.40294 + 1.01575i
−0.178197 1.72286i
0.178197 + 1.72286i
0 0 0 3.96812i 0 4.85993i 0 0 0
593.2 0 0 0 3.96812i 0 4.85993i 0 0 0
593.3 0 0 0 0.504017i 0 0.617292i 0 0 0
593.4 0 0 0 0.504017i 0 0.617292i 0 0 0
593.5 0 0 0 0.504017i 0 0.617292i 0 0 0
593.6 0 0 0 0.504017i 0 0.617292i 0 0 0
593.7 0 0 0 3.96812i 0 4.85993i 0 0 0
593.8 0 0 0 3.96812i 0 4.85993i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 593.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
11.b odd 2 1 inner
33.d even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1188.2.b.a 8
3.b odd 2 1 inner 1188.2.b.a 8
4.b odd 2 1 4752.2.b.f 8
9.c even 3 1 3564.2.q.e 8
9.c even 3 1 3564.2.q.f 8
9.d odd 6 1 3564.2.q.e 8
9.d odd 6 1 3564.2.q.f 8
11.b odd 2 1 inner 1188.2.b.a 8
12.b even 2 1 4752.2.b.f 8
33.d even 2 1 inner 1188.2.b.a 8
44.c even 2 1 4752.2.b.f 8
99.g even 6 1 3564.2.q.e 8
99.g even 6 1 3564.2.q.f 8
99.h odd 6 1 3564.2.q.e 8
99.h odd 6 1 3564.2.q.f 8
132.d odd 2 1 4752.2.b.f 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1188.2.b.a 8 1.a even 1 1 trivial
1188.2.b.a 8 3.b odd 2 1 inner
1188.2.b.a 8 11.b odd 2 1 inner
1188.2.b.a 8 33.d even 2 1 inner
3564.2.q.e 8 9.c even 3 1
3564.2.q.e 8 9.d odd 6 1
3564.2.q.e 8 99.g even 6 1
3564.2.q.e 8 99.h odd 6 1
3564.2.q.f 8 9.c even 3 1
3564.2.q.f 8 9.d odd 6 1
3564.2.q.f 8 99.g even 6 1
3564.2.q.f 8 99.h odd 6 1
4752.2.b.f 8 4.b odd 2 1
4752.2.b.f 8 12.b even 2 1
4752.2.b.f 8 44.c even 2 1
4752.2.b.f 8 132.d odd 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{4} + 16T_{5}^{2} + 4 \) acting on \(S_{2}^{\mathrm{new}}(1188, [\chi])\). 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
$5$ \( (T^{4} + 16 T^{2} + 4)^{2} \) Copy content Toggle raw display
$7$ \( (T^{4} + 24 T^{2} + 9)^{2} \) Copy content Toggle raw display
$11$ \( (T^{4} - 2 T^{2} + 121)^{2} \) Copy content Toggle raw display
$13$ \( (T^{2} + 18)^{4} \) Copy content Toggle raw display
$17$ \( (T^{4} - 48 T^{2} + 441)^{2} \) Copy content Toggle raw display
$19$ \( (T^{2} + 30)^{4} \) Copy content Toggle raw display
$23$ \( (T^{2} + 5)^{4} \) Copy content Toggle raw display
$29$ \( (T^{4} - 48 T^{2} + 441)^{2} \) Copy content Toggle raw display
$31$ \( (T^{2} + 2 T - 14)^{4} \) Copy content Toggle raw display
$37$ \( (T^{2} - 4 T - 11)^{4} \) Copy content Toggle raw display
$41$ \( (T^{4} - 120 T^{2} + 225)^{2} \) Copy content Toggle raw display
$43$ \( (T^{4} + 96 T^{2} + 1089)^{2} \) Copy content Toggle raw display
$47$ \( (T^{4} + 94 T^{2} + 49)^{2} \) Copy content Toggle raw display
$53$ \( (T^{2} + 20)^{4} \) Copy content Toggle raw display
$59$ \( (T^{4} + 106 T^{2} + 1849)^{2} \) Copy content Toggle raw display
$61$ \( (T^{4} + 204 T^{2} + 1764)^{2} \) Copy content Toggle raw display
$67$ \( (T^{2} - 10 T + 10)^{4} \) Copy content Toggle raw display
$71$ \( (T^{4} + 64 T^{2} + 64)^{2} \) Copy content Toggle raw display
$73$ \( (T^{4} + 96 T^{2} + 144)^{2} \) Copy content Toggle raw display
$79$ \( (T^{4} + 96 T^{2} + 1089)^{2} \) Copy content Toggle raw display
$83$ \( (T^{2} - 6)^{4} \) Copy content Toggle raw display
$89$ \( (T^{2} + 20)^{4} \) Copy content Toggle raw display
$97$ \( (T^{2} - 4 T - 11)^{4} \) Copy content Toggle raw display
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