gp:[N,k,chi] = [45570,2,Mod(1,45570)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("45570.1");
S:= CuspForms(chi, 2);
N := Newforms(S);
sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(45570, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 0, 0, 0]))
N = Newforms(chi, 2, names="a")
Level: |
N |
= |
45570=2⋅3⋅5⋅72⋅31 |
Weight: |
k |
= |
2 |
Character orbit: |
[χ] |
= |
45570.a (trivial) |
Newform invariants
sage:traces = [1,1,1,1,-1,1,0,1,1,-1,0,1,6,0,-1,1,-2,1,4,-1,0,0,-4,1,1,6,1,
0,4,-1,-1,1,0,-2,0,1,2,4,6,-1,-6,0,-2,0,-1,-4,-2,1,0,1,-2,6,0,1,0,0,4,
4,-6,-1,10,-1,0,1,-6,0,0,-2,-4,0,8,1,2,2,1,4,0,6,10,-1,1,-6,4,0,2,-2,4,
0,10,-1,0,-4,-1,-2,-4,1,12,0,0,1]
f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(None)] == traces)
gp:f = lf[1] \\ Warning: the index may be different
sage:f.q_expansion() # note that sage often uses an isomorphic number field
gp:mfcoefs(f, 20)
p |
Sign
|
2 |
−1 |
3 |
−1 |
5 |
+1 |
7 |
−1 |
31 |
+1 |
Inner twists of this newform have not been computed.
Twists of this newform have not been computed.