sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1216, base_ring=CyclotomicField(18))
M = H._module
chi = DirichletCharacter(H, M([9,0,5]))
pari:[g,chi] = znchar(Mod(127,1216))
χ1216(127,⋅)
χ1216(319,⋅)
χ1216(383,⋅)
χ1216(447,⋅)
χ1216(831,⋅)
χ1216(895,⋅)
sage:chi.galois_orbit()
pari:order = charorder(g,chi)
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
(191,837,705) → (−1,1,e(185))
a |
−1 | 1 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 21 | 23 |
χ1216(127,a) |
1 | 1 | e(91) | e(94) | e(61) | e(92) | e(65) | e(187) | e(95) | e(97) | e(185) | e(181) |
sage:chi.jacobi_sum(n)