gp:[N,k,chi] = [32370,2,Mod(1,32370)]
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("32370.1");
S:= CuspForms(chi, 2);
N := Newforms(S);
sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(32370, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 0, 0, 0]))
N = Newforms(chi, 2, names="a")
Newform invariants
sage:traces = [1,1,1,1,1,1,1,1,1,1,-2,1,-1,1,1,1,4,1,-1,1,1,-2,-4,1,1,-1,1,
1,9,1,-10,1,-2,4,1,1,10,-1,-1,1,0,1,9,-2,1,-4,6,1,-6,1,4,-1,-9,1,-2,1,
-1,9,4,1,13,-10,1,1,-1,-2,-2,4,-4,1,9,1,4,10,1,-1,-2,-1,10,1,1,0,-1,1,
4,9,9,-2,-1,1,-1,-4,-10,6,-1,1,-14,-6,-2,1]
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
|
| \(2\) |
\( -1 \) |
| \(3\) |
\( -1 \) |
| \(5\) |
\( -1 \) |
| \(13\) |
\( +1 \) |
| \(83\) |
\( +1 \) |
This newform does not admit any (nontrivial) inner twists.
Twists of this newform have not been computed.