Properties

Label 5491.2.a.b
Level $5491$
Weight $2$
Character orbit 5491.a
Self dual yes
Analytic conductor $43.846$
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] = [5491,2,Mod(1,5491)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(5491, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([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("5491.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 5491 = 17^{2} \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 5491.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: \(43.8458557499\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 19)
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)
 
\(f(q)\) \(=\) \( q + 2 q^{3} - 2 q^{4} - 3 q^{5} + q^{7} + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + 2 q^{3} - 2 q^{4} - 3 q^{5} + q^{7} + q^{9} - 3 q^{11} - 4 q^{12} - 4 q^{13} - 6 q^{15} + 4 q^{16} + q^{19} + 6 q^{20} + 2 q^{21} + 4 q^{25} - 4 q^{27} - 2 q^{28} - 6 q^{29} + 4 q^{31} - 6 q^{33} - 3 q^{35} - 2 q^{36} - 2 q^{37} - 8 q^{39} + 6 q^{41} - q^{43} + 6 q^{44} - 3 q^{45} - 3 q^{47} + 8 q^{48} - 6 q^{49} + 8 q^{52} + 12 q^{53} + 9 q^{55} + 2 q^{57} - 6 q^{59} + 12 q^{60} + q^{61} + q^{63} - 8 q^{64} + 12 q^{65} - 4 q^{67} - 6 q^{71} + 7 q^{73} + 8 q^{75} - 2 q^{76} - 3 q^{77} - 8 q^{79} - 12 q^{80} - 11 q^{81} + 12 q^{83} - 4 q^{84} - 12 q^{87} + 12 q^{89} - 4 q^{91} + 8 q^{93} - 3 q^{95} - 8 q^{97} - 3 q^{99}+O(q^{100}) \) 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 −2.00000 −3.00000 0 1.00000 0 1.00000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(17\) \( +1 \)
\(19\) \( -1 \)

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 5491.2.a.b 1
17.b even 2 1 19.2.a.a 1
51.c odd 2 1 171.2.a.b 1
68.d odd 2 1 304.2.a.f 1
85.c even 2 1 475.2.a.b 1
85.g odd 4 2 475.2.b.a 2
119.d odd 2 1 931.2.a.a 1
119.h odd 6 2 931.2.f.b 2
119.j even 6 2 931.2.f.c 2
136.e odd 2 1 1216.2.a.b 1
136.h even 2 1 1216.2.a.o 1
187.b odd 2 1 2299.2.a.b 1
204.h even 2 1 2736.2.a.c 1
221.b even 2 1 3211.2.a.a 1
255.h odd 2 1 4275.2.a.i 1
323.c odd 2 1 361.2.a.b 1
323.h even 6 2 361.2.c.c 2
323.i odd 6 2 361.2.c.a 2
323.s even 18 6 361.2.e.d 6
323.t odd 18 6 361.2.e.e 6
340.d odd 2 1 7600.2.a.c 1
357.c even 2 1 8379.2.a.j 1
969.h even 2 1 3249.2.a.d 1
1292.c even 2 1 5776.2.a.c 1
1615.g odd 2 1 9025.2.a.d 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
19.2.a.a 1 17.b even 2 1
171.2.a.b 1 51.c odd 2 1
304.2.a.f 1 68.d odd 2 1
361.2.a.b 1 323.c odd 2 1
361.2.c.a 2 323.i odd 6 2
361.2.c.c 2 323.h even 6 2
361.2.e.d 6 323.s even 18 6
361.2.e.e 6 323.t odd 18 6
475.2.a.b 1 85.c even 2 1
475.2.b.a 2 85.g odd 4 2
931.2.a.a 1 119.d odd 2 1
931.2.f.b 2 119.h odd 6 2
931.2.f.c 2 119.j even 6 2
1216.2.a.b 1 136.e odd 2 1
1216.2.a.o 1 136.h even 2 1
2299.2.a.b 1 187.b odd 2 1
2736.2.a.c 1 204.h even 2 1
3211.2.a.a 1 221.b even 2 1
3249.2.a.d 1 969.h even 2 1
4275.2.a.i 1 255.h odd 2 1
5491.2.a.b 1 1.a even 1 1 trivial
5776.2.a.c 1 1292.c even 2 1
7600.2.a.c 1 340.d odd 2 1
8379.2.a.j 1 357.c even 2 1
9025.2.a.d 1 1615.g odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(5491))\):

\( T_{2} \) Copy content Toggle raw display
\( T_{3} - 2 \) 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
$5$ \( T + 3 \) Copy content Toggle raw display
$7$ \( T - 1 \) Copy content Toggle raw display
$11$ \( T + 3 \) Copy content Toggle raw display
$13$ \( T + 4 \) Copy content Toggle raw display
$17$ \( T \) Copy content Toggle raw display
$19$ \( T - 1 \) Copy content Toggle raw display
$23$ \( T \) Copy content Toggle raw display
$29$ \( T + 6 \) Copy content Toggle raw display
$31$ \( T - 4 \) Copy content Toggle raw display
$37$ \( T + 2 \) Copy content Toggle raw display
$41$ \( T - 6 \) Copy content Toggle raw display
$43$ \( T + 1 \) Copy content Toggle raw display
$47$ \( T + 3 \) Copy content Toggle raw display
$53$ \( T - 12 \) Copy content Toggle raw display
$59$ \( T + 6 \) Copy content Toggle raw display
$61$ \( T - 1 \) Copy content Toggle raw display
$67$ \( T + 4 \) Copy content Toggle raw display
$71$ \( T + 6 \) Copy content Toggle raw display
$73$ \( T - 7 \) Copy content Toggle raw display
$79$ \( T + 8 \) Copy content Toggle raw display
$83$ \( T - 12 \) Copy content Toggle raw display
$89$ \( T - 12 \) Copy content Toggle raw display
$97$ \( T + 8 \) Copy content Toggle raw display
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