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Properties

Label 356.1.l.a
Level $356$
Weight $1$
Character orbit 356.l
Analytic conductor $0.178$
Analytic rank $0$
Dimension $10$
Projective image $D_{11}$
CM discriminant -4
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [356,1,Mod(39,356)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(356, base_ring=CyclotomicField(22))
 
chi = DirichletCharacter(H, H._module([11, 6]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("356.39");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 356 = 2^{2} \cdot 89 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 356.l (of order \(22\), degree \(10\), 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: \(0.177667144497\)
Analytic rank: \(0\)
Dimension: \(10\)
Coefficient field: \(\Q(\zeta_{22})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{10} - x^{9} + x^{8} - x^{7} + x^{6} - x^{5} + x^{4} - x^{3} + x^{2} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{11}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{11} - \cdots)\)

$q$-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.

\(f(q)\) \(=\) \( q + \zeta_{22}^{6} q^{2} - \zeta_{22} q^{4} + ( - \zeta_{22}^{9} - \zeta_{22}^{5}) q^{5} - \zeta_{22}^{7} q^{8} - \zeta_{22}^{9} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{22}^{6} q^{2} - \zeta_{22} q^{4} + ( - \zeta_{22}^{9} - \zeta_{22}^{5}) q^{5} - \zeta_{22}^{7} q^{8} - \zeta_{22}^{9} q^{9} + (\zeta_{22}^{4} + 1) q^{10} + (\zeta_{22}^{8} - \zeta_{22}) q^{13} + \zeta_{22}^{2} q^{16} + (\zeta_{22}^{8} + \zeta_{22}^{2}) q^{17} + \zeta_{22}^{4} q^{18} + (\zeta_{22}^{10} + \zeta_{22}^{6}) q^{20} + (\zeta_{22}^{10} + \cdots - \zeta_{22}^{3}) q^{25} + \cdots - \zeta_{22}^{9} q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 10 q - q^{2} - q^{4} - 2 q^{5} - q^{8} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 10 q - q^{2} - q^{4} - 2 q^{5} - q^{8} - q^{9} + 9 q^{10} - 2 q^{13} - q^{16} - 2 q^{17} - q^{18} - 2 q^{20} - 3 q^{25} - 2 q^{26} - 2 q^{29} - q^{32} - 2 q^{34} - q^{36} - 2 q^{37} - 2 q^{40} + 9 q^{41} - 2 q^{45} - q^{49} - 3 q^{50} - 2 q^{52} - 2 q^{53} - 2 q^{58} - 2 q^{61} - q^{64} - 4 q^{65} - 2 q^{68} - q^{72} - 2 q^{73} + 9 q^{74} + 9 q^{80} - q^{81} - 2 q^{82} + 7 q^{85} - q^{89} - 2 q^{90} - 2 q^{97} - q^{98}+O(q^{100}) \) Copy content Toggle raw display

Display 100 coefficients 10 coefficients

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/356\mathbb{Z}\right)^\times\).

\(n\) \(179\) \(181\)
\(\chi(n)\) \(-1\) \(-\zeta_{22}^{9}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
39.1
0.654861 − 0.755750i
−0.415415 − 0.909632i
−0.841254 + 0.540641i
0.142315 − 0.989821i
−0.841254 − 0.540641i
−0.415415 + 0.909632i
0.142315 + 0.989821i
0.654861 + 0.755750i
0.959493 + 0.281733i
0.959493 − 0.281733i
0.415415 + 0.909632i 0 −0.654861 + 0.755750i 0.273100 + 0.0801894i 0 0 −0.959493 − 0.281733i −0.142315 + 0.989821i 0.0405070 + 0.281733i
67.1 0.841254 + 0.540641i 0 0.415415 + 0.909632i 0.186393 − 1.29639i 0 0 −0.142315 + 0.989821i −0.654861 − 0.755750i 0.857685 − 0.989821i
91.1 −0.959493 + 0.281733i 0 0.841254 − 0.540641i −0.544078 + 0.627899i 0 0 −0.654861 + 0.755750i 0.415415 + 0.909632i 0.345139 − 0.755750i
167.1 −0.654861 − 0.755750i 0 −0.142315 + 0.989821i −1.61435 + 1.03748i 0 0 0.841254 − 0.540641i −0.959493 + 0.281733i 1.84125 + 0.540641i
223.1 −0.959493 − 0.281733i 0 0.841254 + 0.540641i −0.544078 − 0.627899i 0 0 −0.654861 − 0.755750i 0.415415 − 0.909632i 0.345139 + 0.755750i
271.1 0.841254 − 0.540641i 0 0.415415 − 0.909632i 0.186393 + 1.29639i 0 0 −0.142315 − 0.989821i −0.654861 + 0.755750i 0.857685 + 0.989821i
275.1 −0.654861 + 0.755750i 0 −0.142315 − 0.989821i −1.61435 − 1.03748i 0 0 0.841254 + 0.540641i −0.959493 − 0.281733i 1.84125 − 0.540641i
283.1 0.415415 − 0.909632i 0 −0.654861 − 0.755750i 0.273100 − 0.0801894i 0 0 −0.959493 + 0.281733i −0.142315 − 0.989821i 0.0405070 − 0.281733i
299.1 −0.142315 + 0.989821i 0 −0.959493 − 0.281733i 0.698939 − 1.53046i 0 0 0.415415 − 0.909632i 0.841254 − 0.540641i 1.41542 + 0.909632i
331.1 −0.142315 − 0.989821i 0 −0.959493 + 0.281733i 0.698939 + 1.53046i 0 0 0.415415 + 0.909632i 0.841254 + 0.540641i 1.41542 − 0.909632i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 39.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 CM by \(\Q(\sqrt{-1}) \)
89.e even 11 1 inner
356.l odd 22 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 356.1.l.a ✓ 10
3.b odd 2 1 3204.1.bf.a 10
4.b odd 2 1 CM 356.1.l.a ✓ 10
12.b even 2 1 3204.1.bf.a 10
89.e even 11 1 inner 356.1.l.a ✓ 10
267.k odd 22 1 3204.1.bf.a 10
356.l odd 22 1 inner 356.1.l.a ✓ 10
1068.w even 22 1 3204.1.bf.a 10
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
356.1.l.a ✓ 10 1.a even 1 1 trivial
356.1.l.a ✓ 10 4.b odd 2 1 CM
356.1.l.a ✓ 10 89.e even 11 1 inner
356.1.l.a ✓ 10 356.l odd 22 1 inner
3204.1.bf.a 10 3.b odd 2 1
3204.1.bf.a 10 12.b even 2 1
3204.1.bf.a 10 267.k odd 22 1
3204.1.bf.a 10 1068.w even 22 1

Hecke kernels

This newform subspace is the entire newspace \(S_{1}^{\mathrm{new}}(356, [\chi])\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{10} + T^{9} + \cdots + 1 \) Copy content Toggle raw display
$3$ \( T^{10} \) Copy content Toggle raw display
$5$ \( T^{10} + 2 T^{9} + \cdots + 1 \) Copy content Toggle raw display
$7$ \( T^{10} \) Copy content Toggle raw display
$11$ \( T^{10} \) Copy content Toggle raw display
$13$ \( T^{10} + 2 T^{9} + \cdots + 1 \) Copy content Toggle raw display
$17$ \( T^{10} + 2 T^{9} + \cdots + 1 \) Copy content Toggle raw display
$19$ \( T^{10} \) Copy content Toggle raw display
$23$ \( T^{10} \) Copy content Toggle raw display
$29$ \( T^{10} + 2 T^{9} + \cdots + 1 \) Copy content Toggle raw display
$31$ \( T^{10} \) Copy content Toggle raw display
$37$ \( (T^{5} + T^{4} - 4 T^{3} + \cdots + 1)^{2} \) Copy content Toggle raw display
$41$ \( T^{10} - 9 T^{9} + \cdots + 1 \) Copy content Toggle raw display
$43$ \( T^{10} \) Copy content Toggle raw display
$47$ \( T^{10} \) Copy content Toggle raw display
$53$ \( T^{10} + 2 T^{9} + \cdots + 1 \) Copy content Toggle raw display
$59$ \( T^{10} \) Copy content Toggle raw display
$61$ \( T^{10} + 2 T^{9} + \cdots + 1 \) Copy content Toggle raw display
$67$ \( T^{10} \) Copy content Toggle raw display
$71$ \( T^{10} \) Copy content Toggle raw display
$73$ \( T^{10} + 2 T^{9} + \cdots + 1 \) Copy content Toggle raw display
$79$ \( T^{10} \) Copy content Toggle raw display
$83$ \( T^{10} \) Copy content Toggle raw display
$89$ \( T^{10} + T^{9} + \cdots + 1 \) Copy content Toggle raw display
$97$ \( T^{10} + 2 T^{9} + \cdots + 1 \) Copy content Toggle raw display
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