gp: [N,k,chi] = [1160,2,Mod(17,1160)]
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("1160.17");
S:= CuspForms(chi, 2);
N := Newforms(S);
sage: from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1160, base_ring=CyclotomicField(4))
chi = DirichletCharacter(H, H._module([0, 0, 1, 3]))
N = Newforms(chi, 2, names="a")
Newform invariants
sage: traces = [42,0,0,0,0]
f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(5)] == traces)
gp: f = lf[1] \\ Warning: the index may be different
The algebraic \(q\)-expansion of this newform has not been computed, but we have computed the trace expansion .
For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.
For more information on an embedded modular form you can click on its label.
gp: mfembed(f)
Refresh table
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1160, [\chi])\):
\( T_{3}^{42} + 84 T_{3}^{40} + 3234 T_{3}^{38} + 75654 T_{3}^{36} + 1201961 T_{3}^{34} + 13732276 T_{3}^{32} + \cdots + 16384 \)
T3^42 + 84*T3^40 + 3234*T3^38 + 75654*T3^36 + 1201961*T3^34 + 13732276*T3^32 + 116537113*T3^30 + 748357926*T3^28 + 3671461458*T3^26 + 13803685260*T3^24 + 39689796041*T3^22 + 86709858864*T3^20 + 142416852712*T3^18 + 173268778072*T3^16 + 153075282096*T3^14 + 95596181728*T3^12 + 40645766288*T3^10 + 11128177152*T3^8 + 1790289664*T3^6 + 141431040*T3^4 + 3339264*T3^2 + 16384
\( T_{7}^{42} + 2 T_{7}^{41} + 2 T_{7}^{40} + 8 T_{7}^{39} + 1223 T_{7}^{38} + 2746 T_{7}^{37} + \cdots + 33554432 \)
T7^42 + 2*T7^41 + 2*T7^40 + 8*T7^39 + 1223*T7^38 + 2746*T7^37 + 3078*T7^36 + 2580*T7^35 + 541145*T7^34 + 1288390*T7^33 + 1520994*T7^32 - 972096*T7^31 + 106400256*T7^30 + 254422080*T7^29 + 303694048*T7^28 - 392256904*T7^27 + 9622211344*T7^26 + 21815078080*T7^25 + 25360991488*T7^24 - 36511041984*T7^23 + 398074736528*T7^22 + 819552451776*T7^21 + 900071971712*T7^20 - 1162238993280*T7^19 + 6600637047296*T7^18 + 12209537712128*T7^17 + 12663671203840*T7^16 - 14005024016896*T7^15 + 39453684715008*T7^14 + 62564963323904*T7^13 + 61233211387904*T7^12 - 57443965501440*T7^11 + 37909519835136*T7^10 + 14701353050112*T7^9 + 7487240577024*T7^8 - 5121546756096*T7^7 + 2334204956672*T7^6 + 471803838464*T7^5 + 146832916480*T7^4 - 74597793792*T7^3 + 22351446016*T7^2 + 1224736768*T7 + 33554432