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sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(820, base_ring=CyclotomicField(8))
M = H._module
chi = DirichletCharacter(H, M([4,6,7]))
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pari:[g,chi] = znchar(Mod(243,820))
| Modulus: | \(820\) | |
| Conductor: | \(820\) |
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sage:chi.conductor()
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pari:znconreyconductor(g,chi)
|
| Order: | \(8\) |
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sage:chi.multiplicative_order()
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pari:charorder(g,chi)
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| Real: | no |
| Primitive: | yes |
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sage:chi.is_primitive()
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pari:#znconreyconductor(g,chi)==1
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| Minimal: | yes |
| Parity: | odd |
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sage:chi.is_odd()
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pari:zncharisodd(g,chi)
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\(\chi_{820}(3,\cdot)\)
\(\chi_{820}(27,\cdot)\)
\(\chi_{820}(243,\cdot)\)
\(\chi_{820}(547,\cdot)\)
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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 ]
\((411,657,621)\) → \((-1,-i,e\left(\frac{7}{8}\right))\)
| \(a\) |
\(-1\) | \(1\) | \(3\) | \(7\) | \(9\) | \(11\) | \(13\) | \(17\) | \(19\) | \(21\) | \(23\) | \(27\) |
| \( \chi_{ 820 }(243, a) \) |
\(-1\) | \(1\) | \(e\left(\frac{7}{8}\right)\) | \(e\left(\frac{3}{8}\right)\) | \(-i\) | \(e\left(\frac{1}{8}\right)\) | \(e\left(\frac{3}{8}\right)\) | \(e\left(\frac{5}{8}\right)\) | \(e\left(\frac{7}{8}\right)\) | \(i\) | \(i\) | \(e\left(\frac{5}{8}\right)\) |
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sage:chi.jacobi_sum(n)
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sage:chi.gauss_sum(a)
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pari:znchargauss(g,chi,a)
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sage:chi.jacobi_sum(n)
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sage:chi.kloosterman_sum(a,b)
