Properties

Label 1260.1.p.a
Level $1260$
Weight $1$
Character orbit 1260.p
Self dual yes
Analytic conductor $0.629$
Analytic rank $0$
Dimension $1$
Projective image $D_{3}$
CM discriminant -35
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1260,1,Mod(1189,1260)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1260, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 1, 1]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1260.1189");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1260 = 2^{2} \cdot 3^{2} \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 1260.p (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: \(0.628821915918\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 140)
Projective image: \(D_{3}\)
Projective field: Galois closure of 3.1.140.1
Artin image: $D_6$
Artin field: Galois closure of 6.0.529200.1

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 
\(f(q)\) \(=\) \( q - q^{5} + q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q - q^{5} + q^{7} + q^{11} - q^{13} + q^{17} + q^{25} + q^{29} - q^{35} + q^{47} + q^{49} - q^{55} + q^{65} - 2 q^{71} + 2 q^{73} + q^{77} - q^{79} - 2 q^{83} - q^{85} - q^{91} - q^{97}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1260\mathbb{Z}\right)^\times\).

\(n\) \(281\) \(631\) \(757\) \(1081\)
\(\chi(n)\) \(1\) \(1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1189.1
0
0 0 0 −1.00000 0 1.00000 0 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
35.c odd 2 1 CM by \(\Q(\sqrt{-35}) \)

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1260.1.p.a 1
3.b odd 2 1 140.1.h.a 1
5.b even 2 1 1260.1.p.b 1
7.b odd 2 1 1260.1.p.b 1
12.b even 2 1 560.1.p.b 1
15.d odd 2 1 140.1.h.b yes 1
15.e even 4 2 700.1.d.a 2
21.c even 2 1 140.1.h.b yes 1
21.g even 6 2 980.1.n.a 2
21.h odd 6 2 980.1.n.b 2
24.f even 2 1 2240.1.p.a 1
24.h odd 2 1 2240.1.p.c 1
35.c odd 2 1 CM 1260.1.p.a 1
60.h even 2 1 560.1.p.a 1
60.l odd 4 2 2800.1.f.c 2
84.h odd 2 1 560.1.p.a 1
84.j odd 6 2 3920.1.br.b 2
84.n even 6 2 3920.1.br.a 2
105.g even 2 1 140.1.h.a 1
105.k odd 4 2 700.1.d.a 2
105.o odd 6 2 980.1.n.a 2
105.p even 6 2 980.1.n.b 2
120.i odd 2 1 2240.1.p.b 1
120.m even 2 1 2240.1.p.d 1
168.e odd 2 1 2240.1.p.d 1
168.i even 2 1 2240.1.p.b 1
420.o odd 2 1 560.1.p.b 1
420.w even 4 2 2800.1.f.c 2
420.ba even 6 2 3920.1.br.b 2
420.be odd 6 2 3920.1.br.a 2
840.b odd 2 1 2240.1.p.a 1
840.u even 2 1 2240.1.p.c 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
140.1.h.a 1 3.b odd 2 1
140.1.h.a 1 105.g even 2 1
140.1.h.b yes 1 15.d odd 2 1
140.1.h.b yes 1 21.c even 2 1
560.1.p.a 1 60.h even 2 1
560.1.p.a 1 84.h odd 2 1
560.1.p.b 1 12.b even 2 1
560.1.p.b 1 420.o odd 2 1
700.1.d.a 2 15.e even 4 2
700.1.d.a 2 105.k odd 4 2
980.1.n.a 2 21.g even 6 2
980.1.n.a 2 105.o odd 6 2
980.1.n.b 2 21.h odd 6 2
980.1.n.b 2 105.p even 6 2
1260.1.p.a 1 1.a even 1 1 trivial
1260.1.p.a 1 35.c odd 2 1 CM
1260.1.p.b 1 5.b even 2 1
1260.1.p.b 1 7.b odd 2 1
2240.1.p.a 1 24.f even 2 1
2240.1.p.a 1 840.b odd 2 1
2240.1.p.b 1 120.i odd 2 1
2240.1.p.b 1 168.i even 2 1
2240.1.p.c 1 24.h odd 2 1
2240.1.p.c 1 840.u even 2 1
2240.1.p.d 1 120.m even 2 1
2240.1.p.d 1 168.e odd 2 1
2800.1.f.c 2 60.l odd 4 2
2800.1.f.c 2 420.w even 4 2
3920.1.br.a 2 84.n even 6 2
3920.1.br.a 2 420.be odd 6 2
3920.1.br.b 2 84.j odd 6 2
3920.1.br.b 2 420.ba even 6 2

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{13} + 1 \) acting on \(S_{1}^{\mathrm{new}}(1260, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

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