Properties

Label 2600.1.o.f
Level $2600$
Weight $1$
Character orbit 2600.o
Self dual yes
Analytic conductor $1.298$
Analytic rank $0$
Dimension $2$
Projective image $D_{6}$
CM discriminant -104
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: \(2\)
Coefficient field: \(\Q(\sqrt{3}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - 3 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 520)
Projective image: \(D_{6}\)
Projective field: Galois closure of 6.0.10816000.2

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of \(\beta = \sqrt{3}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + q^{2} - \beta q^{3} + q^{4} - \beta q^{6} - q^{7} + q^{8} + 2 q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + q^{2} - \beta q^{3} + q^{4} - \beta q^{6} - q^{7} + q^{8} + 2 q^{9} - \beta q^{12} - q^{13} - q^{14} + q^{16} + \beta q^{17} + 2 q^{18} + \beta q^{21} - \beta q^{24} - q^{26} - \beta q^{27} - q^{28} + q^{32} + \beta q^{34} + 2 q^{36} + q^{37} + \beta q^{39} + \beta q^{42} + \beta q^{43} + q^{47} - \beta q^{48} - 3 q^{51} - q^{52} - \beta q^{54} - q^{56} - 2 q^{63} + q^{64} + \beta q^{68} + \beta q^{71} + 2 q^{72} + q^{74} + \beta q^{78} + q^{81} + \beta q^{84} + \beta q^{86} + q^{91} + q^{94} - \beta q^{96} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + 2 q^{2} + 2 q^{4} - 2 q^{7} + 2 q^{8} + 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q + 2 q^{2} + 2 q^{4} - 2 q^{7} + 2 q^{8} + 4 q^{9} - 2 q^{13} - 2 q^{14} + 2 q^{16} + 4 q^{18} - 2 q^{26} - 2 q^{28} + 2 q^{32} + 4 q^{36} + 2 q^{37} + 2 q^{47} - 6 q^{51} - 2 q^{52} - 2 q^{56} - 4 q^{63} + 2 q^{64} + 4 q^{72} + 2 q^{74} + 2 q^{81} + 2 q^{91} + 2 q^{94}+O(q^{100}) \) 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
1.73205
−1.73205
1.00000 −1.73205 1.00000 0 −1.73205 −1.00000 1.00000 2.00000 0
51.2 1.00000 1.73205 1.00000 0 1.73205 −1.00000 1.00000 2.00000 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
104.h odd 2 1 CM by \(\Q(\sqrt{-26}) \)
40.e odd 2 1 inner
65.d even 2 1 inner

Twists

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

Hecke kernels

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

\( T_{3}^{2} - 3 \) Copy content Toggle raw display
\( T_{7} + 1 \) Copy content Toggle raw display

Hecke characteristic polynomials

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