sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(4400, base_ring=CyclotomicField(20))
M = H._module
chi = DirichletCharacter(H, M([10,10,9,10]))
pari:[g,chi] = znchar(Mod(87,4400))
χ4400(87,⋅)
χ4400(263,⋅)
χ4400(967,⋅)
χ4400(1847,⋅)
χ4400(2023,⋅)
χ4400(2727,⋅)
χ4400(2903,⋅)
χ4400(3783,⋅)
sage:chi.galois_orbit()
pari:order = charorder(g,chi)
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
(2751,3301,177,1201) → (−1,−1,e(209),−1)
a |
−1 | 1 | 3 | 7 | 9 | 13 | 17 | 19 | 21 | 23 | 27 | 29 |
χ4400(87,a) |
−1 | 1 | e(203) | i | e(103) | e(2011) | e(207) | e(53) | e(52) | e(209) | e(209) | e(109) |
sage:chi.jacobi_sum(n)