sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1920, base_ring=CyclotomicField(16))
M = H._module
chi = DirichletCharacter(H, M([0,13,8,12]))
pari:[g,chi] = znchar(Mod(953,1920))
χ1920(137,⋅)
χ1920(473,⋅)
χ1920(617,⋅)
χ1920(953,⋅)
χ1920(1097,⋅)
χ1920(1433,⋅)
χ1920(1577,⋅)
χ1920(1913,⋅)
sage:chi.galois_orbit()
pari:order = charorder(g,chi)
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
(511,901,641,1537) → (1,e(1613),−1,−i)
a |
−1 | 1 | 7 | 11 | 13 | 17 | 19 | 23 | 29 | 31 | 37 | 41 |
χ1920(953,a) |
1 | 1 | e(87) | e(169) | e(167) | 1 | e(163) | e(81) | e(1615) | −1 | e(161) | e(87) |
sage:chi.jacobi_sum(n)