gp:[N,k,chi] = [29106,2,Mod(1,29106)]
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("29106.1");
S:= CuspForms(chi, 2);
N := Newforms(S);
sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(29106, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 0, 0]))
N = Newforms(chi, 2, names="a")
Newform invariants
sage:traces = [1,-1,0,1,-3,0,0,-1,0,3,-1,0,-1,0,0,1,7,0,6,-3,0,1,5,0,4,1,0,
0,2,0,-6,-1,0,-7,0,0,-6,-6,0,3,9,0,-8,-1,0,-5,-8,0,0,-4,0,-1,-3,0,3,0,
0,-2,-4,0,9,6,0,1,3,0,-7,7,0,0,0,0,-6,6,0,6,0,0,-15,-3,0,-9,7,0,-21,8,
0,1,8,0,0,5,0,8,-18,0,5,0,0,4]
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
|
| \(2\) |
\( +1 \) |
| \(3\) |
\( -1 \) |
| \(7\) |
\( -1 \) |
| \(11\) |
\( +1 \) |
Inner twists of this newform have not been computed.
Twists of this newform have not been computed.