sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(7920, base_ring=CyclotomicField(60))
M = H._module
chi = DirichletCharacter(H, M([0,30,20,45,42]))
pari:[g,chi] = znchar(Mod(2713,7920))
χ7920(457,⋅)
χ7920(1273,⋅)
χ7920(1993,⋅)
χ7920(2713,⋅)
χ7920(2857,⋅)
χ7920(3577,⋅)
χ7920(3913,⋅)
χ7920(4153,⋅)
χ7920(4297,⋅)
χ7920(4633,⋅)
χ7920(5353,⋅)
χ7920(5497,⋅)
χ7920(5737,⋅)
χ7920(6217,⋅)
χ7920(6793,⋅)
χ7920(6937,⋅)
sage:chi.galois_orbit()
pari:order = charorder(g,chi)
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
(991,5941,3521,6337,6481) → (1,−1,e(31),−i,e(107))
a |
−1 | 1 | 7 | 13 | 17 | 19 | 23 | 29 | 31 | 37 | 41 | 43 |
χ7920(2713,a) |
1 | 1 | e(6059) | e(607) | e(201) | e(101) | e(1211) | e(307) | e(1513) | e(2013) | e(3023) | e(127) |
sage:chi.jacobi_sum(n)