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sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(2720, base_ring=CyclotomicField(16))
M = H._module
chi = DirichletCharacter(H, M([8,4,4,11]))
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pari:[g,chi] = znchar(Mod(7,2720))
\(\chi_{2720}(7,\cdot)\)
\(\chi_{2720}(343,\cdot)\)
\(\chi_{2720}(487,\cdot)\)
\(\chi_{2720}(983,\cdot)\)
\(\chi_{2720}(1927,\cdot)\)
\(\chi_{2720}(1943,\cdot)\)
\(\chi_{2720}(2103,\cdot)\)
\(\chi_{2720}(2407,\cdot)\)
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sage:chi.galois_orbit()
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pari:order = charorder(g,chi)
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
\((511,1701,2177,1601)\) → \((-1,i,i,e\left(\frac{11}{16}\right))\)
| \(a\) |
\(-1\) | \(1\) | \(3\) | \(7\) | \(9\) | \(11\) | \(13\) | \(19\) | \(21\) | \(23\) | \(27\) | \(29\) |
| \( \chi_{ 2720 }(7, a) \) |
\(-1\) | \(1\) | \(e\left(\frac{11}{16}\right)\) | \(e\left(\frac{13}{16}\right)\) | \(e\left(\frac{3}{8}\right)\) | \(e\left(\frac{9}{16}\right)\) | \(i\) | \(e\left(\frac{3}{8}\right)\) | \(-1\) | \(e\left(\frac{1}{16}\right)\) | \(e\left(\frac{1}{16}\right)\) | \(e\left(\frac{3}{16}\right)\) |
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sage:chi.jacobi_sum(n)
