Properties

Label 1600.2.a.f
Level $1600$
Weight $2$
Character orbit 1600.a
Self dual yes
Analytic conductor $12.776$
Analytic rank $0$
Dimension $1$
CM no
Inner twists $1$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1600,2,Mod(1,1600)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1600, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1600.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1600 = 2^{6} \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1600.a (trivial)

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: \(12.7760643234\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 40)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 
\(f(q)\) \(=\) \( q - 2 q^{3} + 2 q^{7} + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - 2 q^{3} + 2 q^{7} + q^{9} + 4 q^{11} - 4 q^{13} + 4 q^{19} - 4 q^{21} - 2 q^{23} + 4 q^{27} - 2 q^{29} - 8 q^{33} - 4 q^{37} + 8 q^{39} + 2 q^{41} + 6 q^{43} - 6 q^{47} - 3 q^{49} + 4 q^{53} - 8 q^{57} + 12 q^{59} + 10 q^{61} + 2 q^{63} - 14 q^{67} + 4 q^{69} + 8 q^{71} + 8 q^{73} + 8 q^{77} + 16 q^{79} - 11 q^{81} - 2 q^{83} + 4 q^{87} + 6 q^{89} - 8 q^{91} + 16 q^{97} + 4 q^{99}+O(q^{100}) \) Copy content Toggle raw display

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 \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
0
0 −2.00000 0 0 0 2.00000 0 1.00000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(1\)
\(5\) \(-1\)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1600.2.a.f 1
4.b odd 2 1 1600.2.a.u 1
5.b even 2 1 1600.2.a.v 1
5.c odd 4 2 320.2.c.c 2
8.b even 2 1 200.2.a.d 1
8.d odd 2 1 400.2.a.b 1
15.e even 4 2 2880.2.f.h 2
20.d odd 2 1 1600.2.a.d 1
20.e even 4 2 320.2.c.b 2
24.f even 2 1 3600.2.a.k 1
24.h odd 2 1 1800.2.a.s 1
40.e odd 2 1 400.2.a.g 1
40.f even 2 1 200.2.a.b 1
40.i odd 4 2 40.2.c.a 2
40.k even 4 2 80.2.c.a 2
56.h odd 2 1 9800.2.a.d 1
60.l odd 4 2 2880.2.f.i 2
80.i odd 4 2 1280.2.f.f 2
80.j even 4 2 1280.2.f.e 2
80.s even 4 2 1280.2.f.b 2
80.t odd 4 2 1280.2.f.a 2
120.i odd 2 1 1800.2.a.j 1
120.m even 2 1 3600.2.a.bb 1
120.q odd 4 2 720.2.f.e 2
120.w even 4 2 360.2.f.c 2
280.c odd 2 1 9800.2.a.bf 1
280.s even 4 2 1960.2.g.b 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
40.2.c.a 2 40.i odd 4 2
80.2.c.a 2 40.k even 4 2
200.2.a.b 1 40.f even 2 1
200.2.a.d 1 8.b even 2 1
320.2.c.b 2 20.e even 4 2
320.2.c.c 2 5.c odd 4 2
360.2.f.c 2 120.w even 4 2
400.2.a.b 1 8.d odd 2 1
400.2.a.g 1 40.e odd 2 1
720.2.f.e 2 120.q odd 4 2
1280.2.f.a 2 80.t odd 4 2
1280.2.f.b 2 80.s even 4 2
1280.2.f.e 2 80.j even 4 2
1280.2.f.f 2 80.i odd 4 2
1600.2.a.d 1 20.d odd 2 1
1600.2.a.f 1 1.a even 1 1 trivial
1600.2.a.u 1 4.b odd 2 1
1600.2.a.v 1 5.b even 2 1
1800.2.a.j 1 120.i odd 2 1
1800.2.a.s 1 24.h odd 2 1
1960.2.g.b 2 280.s even 4 2
2880.2.f.h 2 15.e even 4 2
2880.2.f.i 2 60.l odd 4 2
3600.2.a.k 1 24.f even 2 1
3600.2.a.bb 1 120.m even 2 1
9800.2.a.d 1 56.h odd 2 1
9800.2.a.bf 1 280.c odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(1600))\):

\( T_{3} + 2 \) Copy content Toggle raw display
\( T_{7} - 2 \) Copy content Toggle raw display
\( T_{11} - 4 \) Copy content Toggle raw display
\( T_{13} + 4 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T \) Copy content Toggle raw display
$3$ \( T + 2 \) Copy content Toggle raw display
$5$ \( T \) Copy content Toggle raw display
$7$ \( T - 2 \) Copy content Toggle raw display
$11$ \( T - 4 \) Copy content Toggle raw display
$13$ \( T + 4 \) Copy content Toggle raw display
$17$ \( T \) Copy content Toggle raw display
$19$ \( T - 4 \) Copy content Toggle raw display
$23$ \( T + 2 \) Copy content Toggle raw display
$29$ \( T + 2 \) Copy content Toggle raw display
$31$ \( T \) Copy content Toggle raw display
$37$ \( T + 4 \) Copy content Toggle raw display
$41$ \( T - 2 \) Copy content Toggle raw display
$43$ \( T - 6 \) Copy content Toggle raw display
$47$ \( T + 6 \) Copy content Toggle raw display
$53$ \( T - 4 \) Copy content Toggle raw display
$59$ \( T - 12 \) Copy content Toggle raw display
$61$ \( T - 10 \) Copy content Toggle raw display
$67$ \( T + 14 \) Copy content Toggle raw display
$71$ \( T - 8 \) Copy content Toggle raw display
$73$ \( T - 8 \) Copy content Toggle raw display
$79$ \( T - 16 \) Copy content Toggle raw display
$83$ \( T + 2 \) Copy content Toggle raw display
$89$ \( T - 6 \) Copy content Toggle raw display
$97$ \( T - 16 \) Copy content Toggle raw display
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