Properties

Label 2600.1.o.a
Level $2600$
Weight $1$
Character orbit 2600.o
Self dual yes
Analytic conductor $1.298$
Analytic rank $0$
Dimension $1$
Projective image $D_{2}$
CM/RM discs -40, -104, 65
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2600,1,Mod(51,2600)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2600, 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("2600.51");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2600 = 2^{3} \cdot 5^{2} \cdot 13 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2600.o (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: \(1.29756903285\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 520)
Projective image: \(D_{2}\)
Projective field: Galois closure of \(\Q(\sqrt{-10}, \sqrt{-26})\)
Artin image: $D_4$
Artin field: Galois closure of 4.0.104000.1

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 
\(f(q)\) \(=\) \( q - q^{2} + q^{4} - 2 q^{7} - q^{8} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - q^{2} + q^{4} - 2 q^{7} - q^{8} - q^{9} + q^{13} + 2 q^{14} + q^{16} + q^{18} - q^{26} - 2 q^{28} - q^{32} - q^{36} + 2 q^{37} + 2 q^{47} + 3 q^{49} + q^{52} + 2 q^{56} + 2 q^{63} + q^{64} + q^{72} - 2 q^{74} + q^{81} - 2 q^{91} - 2 q^{94} - 3 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2600\mathbb{Z}\right)^\times\).

\(n\) \(1301\) \(1601\) \(1951\) \(1977\)
\(\chi(n)\) \(-1\) \(-1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
51.1
0
−1.00000 0 1.00000 0 0 −2.00000 −1.00000 −1.00000 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
40.e odd 2 1 CM by \(\Q(\sqrt{-10}) \)
65.d even 2 1 RM by \(\Q(\sqrt{65}) \)
104.h odd 2 1 CM by \(\Q(\sqrt{-26}) \)

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2600.1.o.a 1
5.b even 2 1 2600.1.o.c 1
5.c odd 4 2 520.1.b.a 2
8.d odd 2 1 2600.1.o.c 1
13.b even 2 1 2600.1.o.c 1
20.e even 4 2 2080.1.b.a 2
40.e odd 2 1 CM 2600.1.o.a 1
40.i odd 4 2 2080.1.b.a 2
40.k even 4 2 520.1.b.a 2
65.d even 2 1 RM 2600.1.o.a 1
65.h odd 4 2 520.1.b.a 2
104.h odd 2 1 CM 2600.1.o.a 1
260.p even 4 2 2080.1.b.a 2
520.b odd 2 1 2600.1.o.c 1
520.bc even 4 2 520.1.b.a 2
520.bg odd 4 2 2080.1.b.a 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
520.1.b.a 2 5.c odd 4 2
520.1.b.a 2 40.k even 4 2
520.1.b.a 2 65.h odd 4 2
520.1.b.a 2 520.bc even 4 2
2080.1.b.a 2 20.e even 4 2
2080.1.b.a 2 40.i odd 4 2
2080.1.b.a 2 260.p even 4 2
2080.1.b.a 2 520.bg odd 4 2
2600.1.o.a 1 1.a even 1 1 trivial
2600.1.o.a 1 40.e odd 2 1 CM
2600.1.o.a 1 65.d even 2 1 RM
2600.1.o.a 1 104.h odd 2 1 CM
2600.1.o.c 1 5.b even 2 1
2600.1.o.c 1 8.d odd 2 1
2600.1.o.c 1 13.b even 2 1
2600.1.o.c 1 520.b odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{1}^{\mathrm{new}}(2600, [\chi])\):

\( T_{3} \) Copy content Toggle raw display
\( T_{7} + 2 \) 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
$7$ \( T + 2 \) Copy content Toggle raw display
$11$ \( T \) Copy content Toggle raw display
$13$ \( T - 1 \) Copy content Toggle raw display
$17$ \( T \) Copy content Toggle raw display
$19$ \( T \) 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
$37$ \( T - 2 \) Copy content Toggle raw display
$41$ \( T \) Copy content Toggle raw display
$43$ \( T \) Copy content Toggle raw display
$47$ \( T - 2 \) 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
$71$ \( T \) Copy content Toggle raw display
$73$ \( T \) Copy content Toggle raw display
$79$ \( T \) Copy content Toggle raw display
$83$ \( T \) Copy content Toggle raw display
$89$ \( T \) Copy content Toggle raw display
$97$ \( T \) Copy content Toggle raw display
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