Properties

Label 162.2.a.c
Level $162$
Weight $2$
Character orbit 162.a
Self dual yes
Analytic conductor $1.294$
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] = [162,2,Mod(1,162)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(162, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("162.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 162 = 2 \cdot 3^{4} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 162.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: \(1.29357651274\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 18)
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)
 
\(f(q)\) \(=\) \( q + q^{2} + q^{4} + 2 q^{7} + q^{8} - 3 q^{11} + 2 q^{13} + 2 q^{14} + q^{16} - 3 q^{17} - q^{19} - 3 q^{22} - 6 q^{23} - 5 q^{25} + 2 q^{26} + 2 q^{28} + 6 q^{29} - 4 q^{31} + q^{32} - 3 q^{34}+ \cdots - 3 q^{98}+O(q^{100}) \) 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
1.00000 0 1.00000 0 0 2.00000 1.00000 0 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \( -1 \)
\(3\) \( +1 \)

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 162.2.a.c 1
3.b odd 2 1 162.2.a.b 1
4.b odd 2 1 1296.2.a.g 1
5.b even 2 1 4050.2.a.c 1
5.c odd 4 2 4050.2.c.c 2
7.b odd 2 1 7938.2.a.x 1
8.b even 2 1 5184.2.a.r 1
8.d odd 2 1 5184.2.a.o 1
9.c even 3 2 18.2.c.a 2
9.d odd 6 2 54.2.c.a 2
12.b even 2 1 1296.2.a.f 1
15.d odd 2 1 4050.2.a.v 1
15.e even 4 2 4050.2.c.r 2
21.c even 2 1 7938.2.a.i 1
24.f even 2 1 5184.2.a.p 1
24.h odd 2 1 5184.2.a.q 1
36.f odd 6 2 144.2.i.c 2
36.h even 6 2 432.2.i.b 2
45.h odd 6 2 1350.2.e.c 2
45.j even 6 2 450.2.e.i 2
45.k odd 12 4 450.2.j.e 4
45.l even 12 4 1350.2.j.a 4
63.g even 3 2 882.2.h.c 2
63.h even 3 2 882.2.e.i 2
63.i even 6 2 2646.2.e.c 2
63.j odd 6 2 2646.2.e.b 2
63.k odd 6 2 882.2.h.b 2
63.l odd 6 2 882.2.f.d 2
63.n odd 6 2 2646.2.h.h 2
63.o even 6 2 2646.2.f.g 2
63.s even 6 2 2646.2.h.i 2
63.t odd 6 2 882.2.e.g 2
72.j odd 6 2 1728.2.i.e 2
72.l even 6 2 1728.2.i.f 2
72.n even 6 2 576.2.i.g 2
72.p odd 6 2 576.2.i.a 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
18.2.c.a 2 9.c even 3 2
54.2.c.a 2 9.d odd 6 2
144.2.i.c 2 36.f odd 6 2
162.2.a.b 1 3.b odd 2 1
162.2.a.c 1 1.a even 1 1 trivial
432.2.i.b 2 36.h even 6 2
450.2.e.i 2 45.j even 6 2
450.2.j.e 4 45.k odd 12 4
576.2.i.a 2 72.p odd 6 2
576.2.i.g 2 72.n even 6 2
882.2.e.g 2 63.t odd 6 2
882.2.e.i 2 63.h even 3 2
882.2.f.d 2 63.l odd 6 2
882.2.h.b 2 63.k odd 6 2
882.2.h.c 2 63.g even 3 2
1296.2.a.f 1 12.b even 2 1
1296.2.a.g 1 4.b odd 2 1
1350.2.e.c 2 45.h odd 6 2
1350.2.j.a 4 45.l even 12 4
1728.2.i.e 2 72.j odd 6 2
1728.2.i.f 2 72.l even 6 2
2646.2.e.b 2 63.j odd 6 2
2646.2.e.c 2 63.i even 6 2
2646.2.f.g 2 63.o even 6 2
2646.2.h.h 2 63.n odd 6 2
2646.2.h.i 2 63.s even 6 2
4050.2.a.c 1 5.b even 2 1
4050.2.a.v 1 15.d odd 2 1
4050.2.c.c 2 5.c odd 4 2
4050.2.c.r 2 15.e even 4 2
5184.2.a.o 1 8.d odd 2 1
5184.2.a.p 1 24.f even 2 1
5184.2.a.q 1 24.h odd 2 1
5184.2.a.r 1 8.b even 2 1
7938.2.a.i 1 21.c even 2 1
7938.2.a.x 1 7.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 \(S_{2}^{\mathrm{new}}(\Gamma_0(162))\):

\( T_{5} \) Copy content Toggle raw display
\( T_{11} + 3 \) 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
$11$ \( T + 3 \) Copy content Toggle raw display
$13$ \( T - 2 \) Copy content Toggle raw display
$17$ \( T + 3 \) Copy content Toggle raw display
$19$ \( T + 1 \) Copy content Toggle raw display
$23$ \( T + 6 \) Copy content Toggle raw display
$29$ \( T - 6 \) Copy content Toggle raw display
$31$ \( T + 4 \) Copy content Toggle raw display
$37$ \( T + 4 \) Copy content Toggle raw display
$41$ \( T - 9 \) Copy content Toggle raw display
$43$ \( T + 1 \) Copy content Toggle raw display
$47$ \( T + 6 \) Copy content Toggle raw display
$53$ \( T - 12 \) Copy content Toggle raw display
$59$ \( T - 3 \) Copy content Toggle raw display
$61$ \( T - 8 \) Copy content Toggle raw display
$67$ \( T - 5 \) Copy content Toggle raw display
$71$ \( T + 12 \) Copy content Toggle raw display
$73$ \( T - 11 \) Copy content Toggle raw display
$79$ \( T + 4 \) Copy content Toggle raw display
$83$ \( T - 12 \) Copy content Toggle raw display
$89$ \( T - 6 \) Copy content Toggle raw display
$97$ \( T - 5 \) Copy content Toggle raw display
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