sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(2156, base_ring=CyclotomicField(30))
M = H._module
chi = DirichletCharacter(H, M([0,20,9]))
pari:[g,chi] = znchar(Mod(1537,2156))
χ2156(557,⋅)
χ2156(569,⋅)
χ2156(765,⋅)
χ2156(1157,⋅)
χ2156(1537,⋅)
χ2156(1733,⋅)
χ2156(1745,⋅)
χ2156(2125,⋅)
sage:chi.galois_orbit()
pari:order = charorder(g,chi)
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
(1079,1277,981) → (1,e(32),e(103))
a |
−1 | 1 | 3 | 5 | 9 | 13 | 15 | 17 | 19 | 23 | 25 | 27 |
χ2156(1537,a) |
−1 | 1 | e(151) | e(158) | e(152) | e(103) | e(53) | e(3011) | e(307) | e(31) | e(151) | e(51) |
sage:chi.jacobi_sum(n)