sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(3871, base_ring=CyclotomicField(6))
M = H._module
chi = DirichletCharacter(H, M([4,3]))
pari:[g,chi] = znchar(Mod(3791,3871))
\(\chi_{3871}(1500,\cdot)\)
\(\chi_{3871}(3791,\cdot)\)
sage:chi.galois_orbit()
pari:order = charorder(g,chi)
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
\((2845,1030)\) → \((e\left(\frac{2}{3}\right),-1)\)
| \(a\) |
\(-1\) | \(1\) | \(2\) | \(3\) | \(4\) | \(5\) | \(6\) | \(8\) | \(9\) | \(10\) | \(11\) | \(12\) |
| \( \chi_{ 3871 }(3791, a) \) |
\(-1\) | \(1\) | \(e\left(\frac{1}{3}\right)\) | \(e\left(\frac{1}{6}\right)\) | \(e\left(\frac{2}{3}\right)\) | \(e\left(\frac{1}{3}\right)\) | \(-1\) | \(1\) | \(e\left(\frac{1}{3}\right)\) | \(e\left(\frac{2}{3}\right)\) | \(e\left(\frac{2}{3}\right)\) | \(e\left(\frac{5}{6}\right)\) |
sage:chi.jacobi_sum(n)