Properties

Label 16245.2.a.i
Level $16245$
Weight $2$
Character orbit 16245.a
Self dual yes
Analytic conductor $129.717$
Dimension $1$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [16245,2,Mod(1,16245)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(16245, 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("16245.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 16245 = 3^{2} \cdot 5 \cdot 19^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 16245.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: \(129.716978084\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: not computed
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)
 
\(f(q)\) \(=\) \( q - 2 q^{4} + q^{5} - 4 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q - 2 q^{4} + q^{5} - 4 q^{7} - 3 q^{11} + 2 q^{13} + 4 q^{16} - 6 q^{17} - 2 q^{20} + q^{25} + 8 q^{28} + 3 q^{29} - 7 q^{31} - 4 q^{35} + 8 q^{37} + 6 q^{41} - 4 q^{43} + 6 q^{44} - 6 q^{47} + 9 q^{49} - 4 q^{52} + 6 q^{53} - 3 q^{55} + 15 q^{59} + 5 q^{61} - 8 q^{64} + 2 q^{65} + 2 q^{67} + 12 q^{68} + 3 q^{71} + 8 q^{73} + 12 q^{77} + 5 q^{79} + 4 q^{80} - 12 q^{83} - 6 q^{85} + 15 q^{89} - 8 q^{91} + 8 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Atkin-Lehner signs

\( p \) Sign
\(3\) \( -1 \)
\(5\) \( -1 \)
\(19\) \( +1 \)

Inner twists

Inner twists of this newform have not been computed.

Twists

Twists of this newform have not been computed.