Properties

Label 1127.1.o.a
Level $1127$
Weight $1$
Character orbit 1127.o
Analytic conductor $0.562$
Analytic rank $0$
Dimension $10$
Projective image $D_{22}$
CM discriminant -7
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1127,1,Mod(99,1127)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1127, base_ring=CyclotomicField(22))
 
chi = DirichletCharacter(H, H._module([0, 19]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1127.99");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1127 = 7^{2} \cdot 23 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 1127.o (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: \(0.562446269237\)
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: \(\Z[a_1, \ldots, a_{4}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{22}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{22} - \cdots)\)

$q$-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.

\(f(q)\) \(=\) \( q + (\zeta_{22}^{9} - \zeta_{22}^{6}) q^{2} + ( - \zeta_{22}^{7} + \zeta_{22}^{4} - \zeta_{22}) q^{4} + ( - \zeta_{22}^{10} + \cdots + \zeta_{22}^{2}) q^{8}+ \cdots - \zeta_{22}^{10} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + (\zeta_{22}^{9} - \zeta_{22}^{6}) q^{2} + ( - \zeta_{22}^{7} + \zeta_{22}^{4} - \zeta_{22}) q^{4} + ( - \zeta_{22}^{10} + \cdots + \zeta_{22}^{2}) q^{8}+ \cdots + ( - \zeta_{22}^{3} - \zeta_{22}^{2}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 10 q + 2 q^{2} - 3 q^{4} + 4 q^{8} + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 10 q + 2 q^{2} - 3 q^{4} + 4 q^{8} + q^{9} + 6 q^{16} - 2 q^{18} - q^{23} - q^{25} - 2 q^{29} - 5 q^{32} - 8 q^{36} - 11 q^{44} + 2 q^{46} - 9 q^{50} - 7 q^{58} - 7 q^{64} - 2 q^{71} - 4 q^{72} + 11 q^{74} - q^{81} + 11 q^{88} - 3 q^{92}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1127\mathbb{Z}\right)^\times\).

\(n\) \(346\) \(442\)
\(\chi(n)\) \(1\) \(-\zeta_{22}^{2}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
99.1
−0.415415 0.909632i
−0.415415 + 0.909632i
−0.841254 0.540641i
0.142315 0.989821i
0.959493 0.281733i
0.142315 + 0.989821i
−0.841254 + 0.540641i
0.654861 0.755750i
0.654861 + 0.755750i
0.959493 + 0.281733i
−0.186393 + 0.215109i 0 0.130785 + 0.909632i 0 0 0 −0.459493 0.295298i −0.415415 + 0.909632i 0
148.1 −0.186393 0.215109i 0 0.130785 0.909632i 0 0 0 −0.459493 + 0.295298i −0.415415 0.909632i 0
295.1 0.544078 + 1.19136i 0 −0.468468 + 0.540641i 0 0 0 0.357685 + 0.105026i −0.841254 + 0.540641i 0
442.1 1.61435 + 0.474017i 0 1.54019 + 0.989821i 0 0 0 0.915415 + 1.05645i 0.142315 + 0.989821i 0
540.1 −0.698939 + 0.449181i 0 −0.128663 + 0.281733i 0 0 0 −0.154861 1.07708i 0.959493 + 0.281733i 0
589.1 1.61435 0.474017i 0 1.54019 0.989821i 0 0 0 0.915415 1.05645i 0.142315 0.989821i 0
638.1 0.544078 1.19136i 0 −0.468468 0.540641i 0 0 0 0.357685 0.105026i −0.841254 0.540641i 0
687.1 −0.273100 1.89945i 0 −2.57385 + 0.755750i 0 0 0 1.34125 + 2.93694i 0.654861 + 0.755750i 0
981.1 −0.273100 + 1.89945i 0 −2.57385 0.755750i 0 0 0 1.34125 2.93694i 0.654861 0.755750i 0
1079.1 −0.698939 0.449181i 0 −0.128663 0.281733i 0 0 0 −0.154861 + 1.07708i 0.959493 0.281733i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 99.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.b odd 2 1 CM by \(\Q(\sqrt{-7}) \)
23.d odd 22 1 inner
161.k even 22 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1127.1.o.a 10
7.b odd 2 1 CM 1127.1.o.a 10
7.c even 3 2 1127.1.x.a 20
7.d odd 6 2 1127.1.x.a 20
23.d odd 22 1 inner 1127.1.o.a 10
161.k even 22 1 inner 1127.1.o.a 10
161.o even 66 2 1127.1.x.a 20
161.p odd 66 2 1127.1.x.a 20
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1127.1.o.a 10 1.a even 1 1 trivial
1127.1.o.a 10 7.b odd 2 1 CM
1127.1.o.a 10 23.d odd 22 1 inner
1127.1.o.a 10 161.k even 22 1 inner
1127.1.x.a 20 7.c even 3 2
1127.1.x.a 20 7.d odd 6 2
1127.1.x.a 20 161.o even 66 2
1127.1.x.a 20 161.p odd 66 2

Hecke kernels

This newform subspace is the entire newspace \(S_{1}^{\mathrm{new}}(1127, [\chi])\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{10} - 2 T^{9} + \cdots + 1 \) Copy content Toggle raw display
$3$ \( T^{10} \) Copy content Toggle raw display
$5$ \( T^{10} \) Copy content Toggle raw display
$7$ \( T^{10} \) Copy content Toggle raw display
$11$ \( T^{10} - 11 T^{7} + \cdots + 11 \) Copy content Toggle raw display
$13$ \( T^{10} \) Copy content Toggle raw display
$17$ \( T^{10} \) Copy content Toggle raw display
$19$ \( T^{10} \) Copy content Toggle raw display
$23$ \( T^{10} + T^{9} + \cdots + 1 \) 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
$37$ \( T^{10} - 11 T^{7} + \cdots + 11 \) Copy content Toggle raw display
$41$ \( T^{10} \) Copy content Toggle raw display
$43$ \( T^{10} + 11 T^{6} + \cdots + 11 \) Copy content Toggle raw display
$47$ \( T^{10} \) Copy content Toggle raw display
$53$ \( T^{10} - 11 T^{7} + \cdots + 11 \) Copy content Toggle raw display
$59$ \( T^{10} \) Copy content Toggle raw display
$61$ \( T^{10} \) Copy content Toggle raw display
$67$ \( T^{10} + 11 T^{6} + \cdots + 11 \) Copy content Toggle raw display
$71$ \( T^{10} + 2 T^{9} + \cdots + 1 \) Copy content Toggle raw display
$73$ \( T^{10} \) Copy content Toggle raw display
$79$ \( T^{10} + 11 T^{7} + \cdots + 11 \) Copy content Toggle raw display
$83$ \( T^{10} \) Copy content Toggle raw display
$89$ \( T^{10} \) Copy content Toggle raw display
$97$ \( T^{10} \) Copy content Toggle raw display
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