Properties

Label 1148.1.bj.a
Level $1148$
Weight $1$
Character orbit 1148.bj
Analytic conductor $0.573$
Analytic rank $0$
Dimension $8$
Projective image $S_{4}$
CM/RM no
Inner twists $8$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1148,1,Mod(319,1148)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1148, base_ring=CyclotomicField(12))
 
chi = DirichletCharacter(H, H._module([6, 8, 3]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1148.319");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1148 = 2^{2} \cdot 7 \cdot 41 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 1148.bj (of order \(12\), degree \(4\), 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: \(0.572926634503\)
Analytic rank: \(0\)
Dimension: \(8\)
Relative dimension: \(2\) over \(\Q(\zeta_{12})\)
Coefficient field: \(\Q(\zeta_{24})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(S_{4}\)
Projective field: Galois closure of 4.2.13508516.2

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

The \(q\)-expansion and trace form are shown below.

\(f(q)\) \(=\) \( q - \zeta_{24}^{2} q^{2} - \zeta_{24}^{7} q^{3} + \zeta_{24}^{4} q^{4} + \zeta_{24}^{2} q^{5} + \zeta_{24}^{9} q^{6} - \zeta_{24}^{11} q^{7} - \zeta_{24}^{6} q^{8} +O(q^{10}) \) Copy content Toggle raw display \( q - \zeta_{24}^{2} q^{2} - \zeta_{24}^{7} q^{3} + \zeta_{24}^{4} q^{4} + \zeta_{24}^{2} q^{5} + \zeta_{24}^{9} q^{6} - \zeta_{24}^{11} q^{7} - \zeta_{24}^{6} q^{8} - \zeta_{24}^{4} q^{10} - \zeta_{24}^{7} q^{11} - \zeta_{24}^{11} q^{12} + (\zeta_{24}^{6} - 1) q^{13} - \zeta_{24} q^{14} - \zeta_{24}^{9} q^{15} + \zeta_{24}^{8} q^{16} + \zeta_{24}^{5} q^{19} + \zeta_{24}^{6} q^{20} - \zeta_{24}^{6} q^{21} + \zeta_{24}^{9} q^{22} - \zeta_{24} q^{24} + ( - \zeta_{24}^{8} + \zeta_{24}^{2}) q^{26} - \zeta_{24}^{9} q^{27} + \zeta_{24}^{3} q^{28} + \zeta_{24}^{11} q^{30} + (\zeta_{24}^{7} - \zeta_{24}) q^{31} - \zeta_{24}^{10} q^{32} - \zeta_{24}^{2} q^{33} + \zeta_{24} q^{35} - \zeta_{24}^{7} q^{38} + (\zeta_{24}^{7} + \zeta_{24}) q^{39} - \zeta_{24}^{8} q^{40} + \zeta_{24}^{6} q^{41} + \zeta_{24}^{8} q^{42} - \zeta_{24}^{11} q^{44} + \zeta_{24}^{3} q^{48} - \zeta_{24}^{10} q^{49} + (\zeta_{24}^{10} - \zeta_{24}^{4}) q^{52} + (\zeta_{24}^{10} - \zeta_{24}^{4}) q^{53} + \zeta_{24}^{11} q^{54} - \zeta_{24}^{9} q^{55} - \zeta_{24}^{5} q^{56} + q^{57} + ( - \zeta_{24}^{7} + \zeta_{24}) q^{59} + \zeta_{24} q^{60} - \zeta_{24}^{2} q^{61} + ( - \zeta_{24}^{9} + \zeta_{24}^{3}) q^{62} - q^{64} + (\zeta_{24}^{8} - \zeta_{24}^{2}) q^{65} + \zeta_{24}^{4} q^{66} - \zeta_{24} q^{67} - \zeta_{24}^{3} q^{70} - \zeta_{24}^{3} q^{71} + \zeta_{24}^{9} q^{76} - \zeta_{24}^{6} q^{77} + ( - \zeta_{24}^{9} - \zeta_{24}^{3}) q^{78} + \zeta_{24}^{11} q^{79} + \zeta_{24}^{10} q^{80} - \zeta_{24}^{4} q^{81} - \zeta_{24}^{8} q^{82} + ( - \zeta_{24}^{9} - \zeta_{24}^{3}) q^{83} - \zeta_{24}^{10} q^{84} - \zeta_{24} q^{88} + (\zeta_{24}^{8} + \zeta_{24}^{2}) q^{89} + (\zeta_{24}^{11} + \zeta_{24}^{5}) q^{91} + (\zeta_{24}^{8} + \zeta_{24}^{2}) q^{93} + \zeta_{24}^{7} q^{95} - \zeta_{24}^{5} q^{96} - q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q + 4 q^{4}+O(q^{10}) \) Copy content Toggle raw display \( 8 q + 4 q^{4} - 4 q^{10} - 8 q^{13} - 4 q^{16} + 4 q^{26} + 4 q^{40} - 4 q^{42} - 4 q^{52} - 4 q^{53} + 8 q^{57} - 8 q^{64} - 4 q^{65} + 4 q^{66} - 4 q^{81} + 4 q^{82} - 4 q^{89} - 4 q^{93} - 8 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1148\mathbb{Z}\right)^\times\).

\(n\) \(493\) \(575\) \(785\)
\(\chi(n)\) \(\zeta_{24}^{8}\) \(-1\) \(\zeta_{24}^{6}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
319.1
−0.258819 0.965926i
0.258819 + 0.965926i
−0.258819 + 0.965926i
0.258819 0.965926i
−0.965926 0.258819i
0.965926 + 0.258819i
−0.965926 + 0.258819i
0.965926 0.258819i
0.866025 0.500000i −0.965926 + 0.258819i 0.500000 0.866025i −0.866025 + 0.500000i −0.707107 + 0.707107i −0.258819 + 0.965926i 1.00000i 0 −0.500000 + 0.866025i
319.2 0.866025 0.500000i 0.965926 0.258819i 0.500000 0.866025i −0.866025 + 0.500000i 0.707107 0.707107i 0.258819 0.965926i 1.00000i 0 −0.500000 + 0.866025i
583.1 0.866025 + 0.500000i −0.965926 0.258819i 0.500000 + 0.866025i −0.866025 0.500000i −0.707107 0.707107i −0.258819 0.965926i 1.00000i 0 −0.500000 0.866025i
583.2 0.866025 + 0.500000i 0.965926 + 0.258819i 0.500000 + 0.866025i −0.866025 0.500000i 0.707107 + 0.707107i 0.258819 + 0.965926i 1.00000i 0 −0.500000 0.866025i
975.1 −0.866025 0.500000i −0.258819 + 0.965926i 0.500000 + 0.866025i 0.866025 + 0.500000i 0.707107 0.707107i −0.965926 + 0.258819i 1.00000i 0 −0.500000 0.866025i
975.2 −0.866025 0.500000i 0.258819 0.965926i 0.500000 + 0.866025i 0.866025 + 0.500000i −0.707107 + 0.707107i 0.965926 0.258819i 1.00000i 0 −0.500000 0.866025i
1075.1 −0.866025 + 0.500000i −0.258819 0.965926i 0.500000 0.866025i 0.866025 0.500000i 0.707107 + 0.707107i −0.965926 0.258819i 1.00000i 0 −0.500000 + 0.866025i
1075.2 −0.866025 + 0.500000i 0.258819 + 0.965926i 0.500000 0.866025i 0.866025 0.500000i −0.707107 0.707107i 0.965926 + 0.258819i 1.00000i 0 −0.500000 + 0.866025i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 319.2
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 inner
7.c even 3 1 inner
28.g odd 6 1 inner
41.c even 4 1 inner
164.e odd 4 1 inner
287.r even 12 1 inner
1148.bj odd 12 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1148.1.bj.a 8
4.b odd 2 1 inner 1148.1.bj.a 8
7.c even 3 1 inner 1148.1.bj.a 8
28.g odd 6 1 inner 1148.1.bj.a 8
41.c even 4 1 inner 1148.1.bj.a 8
164.e odd 4 1 inner 1148.1.bj.a 8
287.r even 12 1 inner 1148.1.bj.a 8
1148.bj odd 12 1 inner 1148.1.bj.a 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1148.1.bj.a 8 1.a even 1 1 trivial
1148.1.bj.a 8 4.b odd 2 1 inner
1148.1.bj.a 8 7.c even 3 1 inner
1148.1.bj.a 8 28.g odd 6 1 inner
1148.1.bj.a 8 41.c even 4 1 inner
1148.1.bj.a 8 164.e odd 4 1 inner
1148.1.bj.a 8 287.r even 12 1 inner
1148.1.bj.a 8 1148.bj odd 12 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{1}^{\mathrm{new}}(1148, [\chi])\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{4} - T^{2} + 1)^{2} \) Copy content Toggle raw display
$3$ \( T^{8} - T^{4} + 1 \) Copy content Toggle raw display
$5$ \( (T^{4} - T^{2} + 1)^{2} \) Copy content Toggle raw display
$7$ \( T^{8} - T^{4} + 1 \) Copy content Toggle raw display
$11$ \( T^{8} - T^{4} + 1 \) Copy content Toggle raw display
$13$ \( (T^{2} + 2 T + 2)^{4} \) Copy content Toggle raw display
$17$ \( T^{8} \) Copy content Toggle raw display
$19$ \( T^{8} - T^{4} + 1 \) Copy content Toggle raw display
$23$ \( T^{8} \) Copy content Toggle raw display
$29$ \( T^{8} \) Copy content Toggle raw display
$31$ \( (T^{4} - 2 T^{2} + 4)^{2} \) Copy content Toggle raw display
$37$ \( T^{8} \) Copy content Toggle raw display
$41$ \( (T^{2} + 1)^{4} \) Copy content Toggle raw display
$43$ \( T^{8} \) Copy content Toggle raw display
$47$ \( T^{8} \) Copy content Toggle raw display
$53$ \( (T^{4} + 2 T^{3} + 2 T^{2} + \cdots + 4)^{2} \) Copy content Toggle raw display
$59$ \( (T^{4} - 2 T^{2} + 4)^{2} \) Copy content Toggle raw display
$61$ \( (T^{4} - T^{2} + 1)^{2} \) Copy content Toggle raw display
$67$ \( T^{8} - 16T^{4} + 256 \) Copy content Toggle raw display
$71$ \( (T^{4} + 1)^{2} \) Copy content Toggle raw display
$73$ \( T^{8} \) Copy content Toggle raw display
$79$ \( T^{8} - T^{4} + 1 \) Copy content Toggle raw display
$83$ \( (T^{2} + 2)^{4} \) Copy content Toggle raw display
$89$ \( (T^{4} + 2 T^{3} + 2 T^{2} + \cdots + 4)^{2} \) Copy content Toggle raw display
$97$ \( T^{8} \) Copy content Toggle raw display
show more
show less