gp:[N,k,chi] = [10470,2,Mod(1,10470)]
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("10470.1");
S:= CuspForms(chi, 2);
N := Newforms(S);
sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(10470, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 0, 0]))
N = Newforms(chi, 2, names="a")
Newform invariants
sage:traces = [1,1,1,1,1,1,1,1,1,1,4,1,-3,1,1,1,3,1,-3,1,1,4,5,1,1,-3,1,1,6,
1,-5,1,4,3,1,1,6,-3,-3,1,-6,1,0,4,1,5,12,1,-6,1,3,-3,-4,1,4,1,-3,6,7,1,
4,-5,1,1,-3,4,-4,3,5,1,1,1,-14,6,1,-3,4,-3,-10,1,1,-6,3,1,3,0,6,4,15,1,
-3,5,-5,12,-3,1,2,-6,4,1]
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
|
| \(2\) |
\( -1 \) |
| \(3\) |
\( -1 \) |
| \(5\) |
\( -1 \) |
| \(349\) |
\( +1 \) |
This newform does not admit any (nontrivial) inner twists.
Twists of this newform have not been computed.