sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(2720, base_ring=CyclotomicField(16))
M = H._module
chi = DirichletCharacter(H, M([8,10,0,7]))
pari:[g,chi] = znchar(Mod(11,2720))
\(\chi_{2720}(11,\cdot)\)
\(\chi_{2720}(571,\cdot)\)
\(\chi_{2720}(891,\cdot)\)
\(\chi_{2720}(1091,\cdot)\)
\(\chi_{2720}(1331,\cdot)\)
\(\chi_{2720}(1451,\cdot)\)
\(\chi_{2720}(1491,\cdot)\)
\(\chi_{2720}(1731,\cdot)\)
sage:chi.galois_orbit()
pari:order = charorder(g,chi)
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
\((511,1701,2177,1601)\) → \((-1,e\left(\frac{5}{8}\right),1,e\left(\frac{7}{16}\right))\)
\(a\) |
\(-1\) | \(1\) | \(3\) | \(7\) | \(9\) | \(11\) | \(13\) | \(19\) | \(21\) | \(23\) | \(27\) | \(29\) |
\( \chi_{ 2720 }(11, a) \) |
\(1\) | \(1\) | \(e\left(\frac{13}{16}\right)\) | \(e\left(\frac{9}{16}\right)\) | \(e\left(\frac{5}{8}\right)\) | \(e\left(\frac{11}{16}\right)\) | \(e\left(\frac{1}{8}\right)\) | \(1\) | \(e\left(\frac{3}{8}\right)\) | \(e\left(\frac{13}{16}\right)\) | \(e\left(\frac{7}{16}\right)\) | \(e\left(\frac{9}{16}\right)\) |
sage:chi.jacobi_sum(n)