Properties

Label 2240.1.p.a
Level $2240$
Weight $1$
Character orbit 2240.p
Self dual yes
Analytic conductor $1.118$
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] = [2240,1,Mod(769,2240)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2240, 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("2240.769");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2240 = 2^{6} \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2240.p (of order \(2\), degree \(1\), not 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: \(1.11790562830\)
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 6.0.2508800.2

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 
\(f(q)\) \(=\) \( q - q^{3} - q^{5} - q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q - q^{3} - q^{5} - q^{7} - q^{11} + q^{13} + q^{15} - q^{17} + q^{21} + q^{25} + q^{27} + q^{29} + q^{33} + q^{35} - q^{39} + q^{47} + q^{49} + q^{51} + q^{55} - q^{65} - 2 q^{71} + 2 q^{73} - q^{75} + q^{77} + q^{79} - q^{81} + 2 q^{83} + q^{85} - q^{87} - q^{91} - q^{97}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2240\mathbb{Z}\right)^\times\).

\(n\) \(897\) \(1471\) \(1541\) \(1921\)
\(\chi(n)\) \(-1\) \(1\) \(1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
769.1
0
0 −1.00000 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 2240.1.p.a 1
4.b odd 2 1 2240.1.p.c 1
5.b even 2 1 2240.1.p.d 1
7.b odd 2 1 2240.1.p.d 1
8.b even 2 1 560.1.p.b 1
8.d odd 2 1 140.1.h.a 1
20.d odd 2 1 2240.1.p.b 1
24.f even 2 1 1260.1.p.a 1
28.d even 2 1 2240.1.p.b 1
35.c odd 2 1 CM 2240.1.p.a 1
40.e odd 2 1 140.1.h.b yes 1
40.f even 2 1 560.1.p.a 1
40.i odd 4 2 2800.1.f.c 2
40.k even 4 2 700.1.d.a 2
56.e even 2 1 140.1.h.b yes 1
56.h odd 2 1 560.1.p.a 1
56.j odd 6 2 3920.1.br.b 2
56.k odd 6 2 980.1.n.b 2
56.m even 6 2 980.1.n.a 2
56.p even 6 2 3920.1.br.a 2
120.m even 2 1 1260.1.p.b 1
140.c even 2 1 2240.1.p.c 1
168.e odd 2 1 1260.1.p.b 1
280.c odd 2 1 560.1.p.b 1
280.n even 2 1 140.1.h.a 1
280.s even 4 2 2800.1.f.c 2
280.y odd 4 2 700.1.d.a 2
280.ba even 6 2 980.1.n.b 2
280.bf even 6 2 3920.1.br.b 2
280.bi odd 6 2 980.1.n.a 2
280.bk odd 6 2 3920.1.br.a 2
840.b odd 2 1 1260.1.p.a 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
140.1.h.a 1 8.d odd 2 1
140.1.h.a 1 280.n even 2 1
140.1.h.b yes 1 40.e odd 2 1
140.1.h.b yes 1 56.e even 2 1
560.1.p.a 1 40.f even 2 1
560.1.p.a 1 56.h odd 2 1
560.1.p.b 1 8.b even 2 1
560.1.p.b 1 280.c odd 2 1
700.1.d.a 2 40.k even 4 2
700.1.d.a 2 280.y odd 4 2
980.1.n.a 2 56.m even 6 2
980.1.n.a 2 280.bi odd 6 2
980.1.n.b 2 56.k odd 6 2
980.1.n.b 2 280.ba even 6 2
1260.1.p.a 1 24.f even 2 1
1260.1.p.a 1 840.b odd 2 1
1260.1.p.b 1 120.m even 2 1
1260.1.p.b 1 168.e odd 2 1
2240.1.p.a 1 1.a even 1 1 trivial
2240.1.p.a 1 35.c odd 2 1 CM
2240.1.p.b 1 20.d odd 2 1
2240.1.p.b 1 28.d even 2 1
2240.1.p.c 1 4.b odd 2 1
2240.1.p.c 1 140.c even 2 1
2240.1.p.d 1 5.b even 2 1
2240.1.p.d 1 7.b odd 2 1
2800.1.f.c 2 40.i odd 4 2
2800.1.f.c 2 280.s even 4 2
3920.1.br.a 2 56.p even 6 2
3920.1.br.a 2 280.bk odd 6 2
3920.1.br.b 2 56.j odd 6 2
3920.1.br.b 2 280.bf even 6 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{1}^{\mathrm{new}}(2240, [\chi])\):

\( T_{3} + 1 \) Copy content Toggle raw display
\( T_{11} + 1 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T \) Copy content Toggle raw display
$3$ \( T + 1 \) 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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