Properties

Label 4998.2.a.x
Level $4998$
Weight $2$
Character orbit 4998.a
Self dual yes
Analytic conductor $39.909$
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] = [4998,2,Mod(1,4998)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4998, 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("4998.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 4998 = 2 \cdot 3 \cdot 7^{2} \cdot 17 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 4998.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: \(39.9092309302\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 102)
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)
 
\(f(q)\) \(=\) \( q - q^{2} + q^{3} + q^{4} + 4 q^{5} - q^{6} - q^{8} + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - q^{2} + q^{3} + q^{4} + 4 q^{5} - q^{6} - q^{8} + q^{9} - 4 q^{10} + q^{12} + 6 q^{13} + 4 q^{15} + q^{16} + q^{17} - q^{18} - 4 q^{19} + 4 q^{20} + 6 q^{23} - q^{24} + 11 q^{25} - 6 q^{26} + q^{27} - 4 q^{29} - 4 q^{30} + 6 q^{31} - q^{32} - q^{34} + q^{36} - 4 q^{37} + 4 q^{38} + 6 q^{39} - 4 q^{40} + 10 q^{41} - 4 q^{43} + 4 q^{45} - 6 q^{46} - 4 q^{47} + q^{48} - 11 q^{50} + q^{51} + 6 q^{52} - 2 q^{53} - q^{54} - 4 q^{57} + 4 q^{58} - 12 q^{59} + 4 q^{60} + 4 q^{61} - 6 q^{62} + q^{64} + 24 q^{65} - 12 q^{67} + q^{68} + 6 q^{69} - 6 q^{71} - q^{72} - 2 q^{73} + 4 q^{74} + 11 q^{75} - 4 q^{76} - 6 q^{78} + 10 q^{79} + 4 q^{80} + q^{81} - 10 q^{82} + 12 q^{83} + 4 q^{85} + 4 q^{86} - 4 q^{87} + 2 q^{89} - 4 q^{90} + 6 q^{92} + 6 q^{93} + 4 q^{94} - 16 q^{95} - q^{96} - 6 q^{97}+O(q^{100}) \) 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 1.00000 1.00000 4.00000 −1.00000 0 −1.00000 1.00000 −4.00000
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(1\)
\(3\) \(-1\)
\(7\) \(-1\)
\(17\) \(-1\)

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 4998.2.a.x 1
7.b odd 2 1 102.2.a.a 1
21.c even 2 1 306.2.a.d 1
28.d even 2 1 816.2.a.h 1
35.c odd 2 1 2550.2.a.be 1
35.f even 4 2 2550.2.d.q 2
56.e even 2 1 3264.2.a.p 1
56.h odd 2 1 3264.2.a.bf 1
84.h odd 2 1 2448.2.a.t 1
105.g even 2 1 7650.2.a.z 1
119.d odd 2 1 1734.2.a.h 1
119.f odd 4 2 1734.2.b.d 2
119.l odd 8 4 1734.2.f.g 4
168.e odd 2 1 9792.2.a.b 1
168.i even 2 1 9792.2.a.a 1
357.c even 2 1 5202.2.a.g 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
102.2.a.a 1 7.b odd 2 1
306.2.a.d 1 21.c even 2 1
816.2.a.h 1 28.d even 2 1
1734.2.a.h 1 119.d odd 2 1
1734.2.b.d 2 119.f odd 4 2
1734.2.f.g 4 119.l odd 8 4
2448.2.a.t 1 84.h odd 2 1
2550.2.a.be 1 35.c odd 2 1
2550.2.d.q 2 35.f even 4 2
3264.2.a.p 1 56.e even 2 1
3264.2.a.bf 1 56.h odd 2 1
4998.2.a.x 1 1.a even 1 1 trivial
5202.2.a.g 1 357.c even 2 1
7650.2.a.z 1 105.g even 2 1
9792.2.a.a 1 168.i even 2 1
9792.2.a.b 1 168.e odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(4998))\):

\( T_{5} - 4 \) Copy content Toggle raw display
\( T_{11} \) Copy content Toggle raw display
\( T_{13} - 6 \) Copy content Toggle raw display
\( T_{23} - 6 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T + 1 \) Copy content Toggle raw display
$3$ \( T - 1 \) Copy content Toggle raw display
$5$ \( T - 4 \) Copy content Toggle raw display
$7$ \( T \) Copy content Toggle raw display
$11$ \( T \) Copy content Toggle raw display
$13$ \( T - 6 \) Copy content Toggle raw display
$17$ \( T - 1 \) Copy content Toggle raw display
$19$ \( T + 4 \) Copy content Toggle raw display
$23$ \( T - 6 \) Copy content Toggle raw display
$29$ \( T + 4 \) Copy content Toggle raw display
$31$ \( T - 6 \) Copy content Toggle raw display
$37$ \( T + 4 \) Copy content Toggle raw display
$41$ \( T - 10 \) Copy content Toggle raw display
$43$ \( T + 4 \) Copy content Toggle raw display
$47$ \( T + 4 \) Copy content Toggle raw display
$53$ \( T + 2 \) Copy content Toggle raw display
$59$ \( T + 12 \) Copy content Toggle raw display
$61$ \( T - 4 \) Copy content Toggle raw display
$67$ \( T + 12 \) Copy content Toggle raw display
$71$ \( T + 6 \) Copy content Toggle raw display
$73$ \( T + 2 \) Copy content Toggle raw display
$79$ \( T - 10 \) Copy content Toggle raw display
$83$ \( T - 12 \) Copy content Toggle raw display
$89$ \( T - 2 \) Copy content Toggle raw display
$97$ \( T + 6 \) Copy content Toggle raw display
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