Properties

Label 1224.1.n.a
Level $1224$
Weight $1$
Character orbit 1224.n
Self dual yes
Analytic conductor $0.611$
Analytic rank $0$
Dimension $1$
Projective image $D_{2}$
CM/RM discs -8, -136, 17
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1224,1,Mod(883,1224)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1224, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1, 0, 1]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1224.883");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1224 = 2^{3} \cdot 3^{2} \cdot 17 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 1224.n (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: yes
Analytic conductor: \(0.610855575463\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 136)
Projective image: \(D_{2}\)
Projective field: Galois closure of \(\Q(\sqrt{-2}, \sqrt{17})\)
Artin image: $D_4$
Artin field: Galois closure of 4.0.9792.1

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 
\(f(q)\) \(=\) \( q + q^{2} + q^{4} + q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q + q^{2} + q^{4} + q^{8} + q^{16} + q^{17} - 2 q^{19} - q^{25} + q^{32} + q^{34} - 2 q^{38} + 2 q^{43} - q^{49} - q^{50} - 2 q^{59} + q^{64} - 2 q^{67} + q^{68} - 2 q^{76} - 2 q^{83} + 2 q^{86} + 2 q^{89} - q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1224\mathbb{Z}\right)^\times\).

\(n\) \(137\) \(613\) \(649\) \(919\)
\(\chi(n)\) \(1\) \(-1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
883.1
0
1.00000 0 1.00000 0 0 0 1.00000 0 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
8.d odd 2 1 CM by \(\Q(\sqrt{-2}) \)
17.b even 2 1 RM by \(\Q(\sqrt{17}) \)
136.e odd 2 1 CM by \(\Q(\sqrt{-34}) \)

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1224.1.n.a 1
3.b odd 2 1 136.1.e.a 1
8.d odd 2 1 CM 1224.1.n.a 1
12.b even 2 1 544.1.e.a 1
15.d odd 2 1 3400.1.g.a 1
15.e even 4 2 3400.1.k.a 2
17.b even 2 1 RM 1224.1.n.a 1
24.f even 2 1 136.1.e.a 1
24.h odd 2 1 544.1.e.a 1
51.c odd 2 1 136.1.e.a 1
51.f odd 4 2 2312.1.f.a 1
51.g odd 8 4 2312.1.j.a 2
51.i even 16 8 2312.1.p.c 4
120.m even 2 1 3400.1.g.a 1
120.q odd 4 2 3400.1.k.a 2
136.e odd 2 1 CM 1224.1.n.a 1
204.h even 2 1 544.1.e.a 1
255.h odd 2 1 3400.1.g.a 1
255.o even 4 2 3400.1.k.a 2
408.b odd 2 1 544.1.e.a 1
408.h even 2 1 136.1.e.a 1
408.q even 4 2 2312.1.f.a 1
408.bd even 8 4 2312.1.j.a 2
408.bg odd 16 8 2312.1.p.c 4
2040.p even 2 1 3400.1.g.a 1
2040.cp odd 4 2 3400.1.k.a 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
136.1.e.a 1 3.b odd 2 1
136.1.e.a 1 24.f even 2 1
136.1.e.a 1 51.c odd 2 1
136.1.e.a 1 408.h even 2 1
544.1.e.a 1 12.b even 2 1
544.1.e.a 1 24.h odd 2 1
544.1.e.a 1 204.h even 2 1
544.1.e.a 1 408.b odd 2 1
1224.1.n.a 1 1.a even 1 1 trivial
1224.1.n.a 1 8.d odd 2 1 CM
1224.1.n.a 1 17.b even 2 1 RM
1224.1.n.a 1 136.e odd 2 1 CM
2312.1.f.a 1 51.f odd 4 2
2312.1.f.a 1 408.q even 4 2
2312.1.j.a 2 51.g odd 8 4
2312.1.j.a 2 408.bd even 8 4
2312.1.p.c 4 51.i even 16 8
2312.1.p.c 4 408.bg odd 16 8
3400.1.g.a 1 15.d odd 2 1
3400.1.g.a 1 120.m even 2 1
3400.1.g.a 1 255.h odd 2 1
3400.1.g.a 1 2040.p even 2 1
3400.1.k.a 2 15.e even 4 2
3400.1.k.a 2 120.q odd 4 2
3400.1.k.a 2 255.o even 4 2
3400.1.k.a 2 2040.cp odd 4 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{1}^{\mathrm{new}}(1224, [\chi])\):

\( T_{5} \) Copy content Toggle raw display
\( T_{89} - 2 \) Copy content Toggle raw display

Hecke characteristic polynomials

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