sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(2890, base_ring=CyclotomicField(8))
M = H._module
chi = DirichletCharacter(H, M([4,5]))
pari:[g,chi] = znchar(Mod(399,2890))
\(\chi_{2890}(179,\cdot)\)
\(\chi_{2890}(399,\cdot)\)
\(\chi_{2890}(1579,\cdot)\)
\(\chi_{2890}(1889,\cdot)\)
sage:chi.galois_orbit()
pari:order = charorder(g,chi)
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
\((1157,581)\) → \((-1,e\left(\frac{5}{8}\right))\)
| \(a\) |
\(-1\) | \(1\) | \(3\) | \(7\) | \(9\) | \(11\) | \(13\) | \(19\) | \(21\) | \(23\) | \(27\) | \(29\) |
| \( \chi_{ 2890 }(399, a) \) |
\(1\) | \(1\) | \(e\left(\frac{1}{8}\right)\) | \(e\left(\frac{3}{8}\right)\) | \(i\) | \(e\left(\frac{3}{8}\right)\) | \(1\) | \(-i\) | \(-1\) | \(e\left(\frac{7}{8}\right)\) | \(e\left(\frac{3}{8}\right)\) | \(e\left(\frac{1}{8}\right)\) |
sage:chi.jacobi_sum(n)