sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(20800, base_ring=CyclotomicField(80))
M = H._module
chi = DirichletCharacter(H, M([0,15,76,20]))
gp:[g,chi] = znchar(Mod(7613, 20800))
magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("20800.7613");
| Modulus: | \(20800\) |
sage:chi.modulus()
gp:g[1][1]
magma:Modulus(chi);
|
| Conductor: | \(20800\) |
sage:chi.conductor()
gp:znconreyconductor(g,chi)
magma:Conductor(chi);
|
| Order: | \(80\) |
sage:chi.multiplicative_order()
gp:charorder(g,chi)
magma:Order(chi);
|
| Real: | no |
sage:chi.multiplicative_order() <= 2
gp:charorder(g,chi) <= 2
magma:Order(chi) le 2;
|
| Primitive: | yes |
sage:chi.is_primitive()
gp:#znconreyconductor(g,chi)==1
magma:IsPrimitive(chi);
|
| Minimal: | yes |
| Parity: | even |
sage:chi.is_odd()
gp:zncharisodd(g,chi)
magma:IsOdd(chi);
|
\(\chi_{20800}(333,\cdot)\)
\(\chi_{20800}(837,\cdot)\)
\(\chi_{20800}(1373,\cdot)\)
\(\chi_{20800}(1877,\cdot)\)
\(\chi_{20800}(2413,\cdot)\)
\(\chi_{20800}(2917,\cdot)\)
\(\chi_{20800}(3453,\cdot)\)
\(\chi_{20800}(4997,\cdot)\)
\(\chi_{20800}(5533,\cdot)\)
\(\chi_{20800}(6037,\cdot)\)
\(\chi_{20800}(6573,\cdot)\)
\(\chi_{20800}(7077,\cdot)\)
\(\chi_{20800}(7613,\cdot)\)
\(\chi_{20800}(8117,\cdot)\)
\(\chi_{20800}(8653,\cdot)\)
\(\chi_{20800}(10197,\cdot)\)
\(\chi_{20800}(10733,\cdot)\)
\(\chi_{20800}(11237,\cdot)\)
\(\chi_{20800}(11773,\cdot)\)
\(\chi_{20800}(12277,\cdot)\)
\(\chi_{20800}(12813,\cdot)\)
\(\chi_{20800}(13317,\cdot)\)
\(\chi_{20800}(13853,\cdot)\)
\(\chi_{20800}(15397,\cdot)\)
\(\chi_{20800}(15933,\cdot)\)
\(\chi_{20800}(16437,\cdot)\)
\(\chi_{20800}(16973,\cdot)\)
\(\chi_{20800}(17477,\cdot)\)
\(\chi_{20800}(18013,\cdot)\)
\(\chi_{20800}(18517,\cdot)\)
...
sage:chi.galois_orbit()
gp:order = charorder(g,chi)
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
magma:order := Order(chi);
{ chi^k : k in [1..order-1] | GCD(k,order) eq 1 };
\((12351,16901,14977,1601)\) → \((1,e\left(\frac{3}{16}\right),e\left(\frac{19}{20}\right),i)\)
| \(a\) |
\(-1\) | \(1\) | \(3\) | \(7\) | \(9\) | \(11\) | \(17\) | \(19\) | \(21\) | \(23\) | \(27\) | \(29\) |
| \( \chi_{ 20800 }(7613, a) \) |
\(1\) | \(1\) | \(e\left(\frac{17}{80}\right)\) | \(e\left(\frac{3}{8}\right)\) | \(e\left(\frac{17}{40}\right)\) | \(e\left(\frac{71}{80}\right)\) | \(e\left(\frac{1}{10}\right)\) | \(e\left(\frac{53}{80}\right)\) | \(e\left(\frac{47}{80}\right)\) | \(e\left(\frac{23}{40}\right)\) | \(e\left(\frac{51}{80}\right)\) | \(e\left(\frac{77}{80}\right)\) |
sage:chi(x) # x integer
gp:chareval(g,chi,x) \\ x integer, value in Q/Z
magma:chi(x)