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sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(2900, base_ring=CyclotomicField(28))
M = H._module
chi = DirichletCharacter(H, M([0,7,11]))
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gp:[g,chi] = znchar(Mod(2657, 2900))
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magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("2900.2657");
| Modulus: | \(2900\) |
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sage:chi.modulus()
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gp:g[1][1]
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magma:Modulus(chi);
|
| Conductor: | \(145\) |
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sage:chi.conductor()
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gp:znconreyconductor(g,chi)
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magma:Conductor(chi);
|
| Order: | \(28\) |
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sage:chi.multiplicative_order()
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gp:charorder(g,chi)
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magma:Order(chi);
|
| Real: | no |
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sage:chi.multiplicative_order() <= 2
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gp:charorder(g,chi) <= 2
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magma:Order(chi) le 2;
|
| Primitive: | no, induced from \(\chi_{145}(47,\cdot)\) |
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sage:chi.is_primitive()
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gp:#znconreyconductor(g,chi)==1
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magma:IsPrimitive(chi);
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| Minimal: | yes |
| Parity: | even |
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sage:chi.is_odd()
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gp:zncharisodd(g,chi)
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magma:IsOdd(chi);
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\(\chi_{2900}(193,\cdot)\)
\(\chi_{2900}(293,\cdot)\)
\(\chi_{2900}(1157,\cdot)\)
\(\chi_{2900}(1257,\cdot)\)
\(\chi_{2900}(1493,\cdot)\)
\(\chi_{2900}(1693,\cdot)\)
\(\chi_{2900}(1993,\cdot)\)
\(\chi_{2900}(2057,\cdot)\)
\(\chi_{2900}(2293,\cdot)\)
\(\chi_{2900}(2357,\cdot)\)
\(\chi_{2900}(2657,\cdot)\)
\(\chi_{2900}(2857,\cdot)\)
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sage:chi.galois_orbit()
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gp:order = charorder(g,chi)
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
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magma:order := Order(chi);
{ chi^k : k in [1..order-1] | GCD(k,order) eq 1 };
\((1451,1277,901)\) → \((1,i,e\left(\frac{11}{28}\right))\)
| \(a\) |
\(-1\) | \(1\) | \(3\) | \(7\) | \(9\) | \(11\) | \(13\) | \(17\) | \(19\) | \(21\) | \(23\) | \(27\) |
| \( \chi_{ 2900 }(2657, a) \) |
\(1\) | \(1\) | \(e\left(\frac{5}{7}\right)\) | \(e\left(\frac{27}{28}\right)\) | \(e\left(\frac{3}{7}\right)\) | \(e\left(\frac{23}{28}\right)\) | \(e\left(\frac{23}{28}\right)\) | \(-1\) | \(e\left(\frac{1}{28}\right)\) | \(e\left(\frac{19}{28}\right)\) | \(e\left(\frac{17}{28}\right)\) | \(e\left(\frac{1}{7}\right)\) |
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sage:chi(x)
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gp:chareval(g,chi,x) \\\\ x integer, value in Q/Z'
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magma:chi(x)
