sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(3520, base_ring=CyclotomicField(4))
M = H._module
chi = DirichletCharacter(H, M([0,0,1,0]))
pari:[g,chi] = znchar(Mod(2817,3520))
\(\chi_{3520}(2113,\cdot)\)
\(\chi_{3520}(2817,\cdot)\)
sage:chi.galois_orbit()
pari:order = charorder(g,chi)
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
\((2751,1541,2817,321)\) → \((1,1,i,1)\)
| \(a\) |
\(-1\) | \(1\) | \(3\) | \(7\) | \(9\) | \(13\) | \(17\) | \(19\) | \(21\) | \(23\) | \(27\) | \(29\) |
| \( \chi_{ 3520 }(2817, a) \) |
\(-1\) | \(1\) | \(-i\) | \(i\) | \(-1\) | \(-i\) | \(i\) | \(-1\) | \(1\) | \(-i\) | \(i\) | \(-1\) |
sage:chi.jacobi_sum(n)