sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(15867, base_ring=CyclotomicField(840))
M = H._module
chi = DirichletCharacter(H, M([560,441,720]))
gp:[g,chi] = znchar(Mod(322, 15867))
magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("15867.322");
| Modulus: | \(15867\) |
sage:chi.modulus()
gp:g[1][1]
magma:Modulus(chi);
|
| Conductor: | \(15867\) |
sage:chi.conductor()
gp:znconreyconductor(g,chi)
magma:Conductor(chi);
|
| Order: | \(840\) |
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: | odd |
sage:chi.is_odd()
gp:zncharisodd(g,chi)
magma:IsOdd(chi);
|
\(\chi_{15867}(97,\cdot)\)
\(\chi_{15867}(193,\cdot)\)
\(\chi_{15867}(274,\cdot)\)
\(\chi_{15867}(322,\cdot)\)
\(\chi_{15867}(391,\cdot)\)
\(\chi_{15867}(403,\cdot)\)
\(\chi_{15867}(520,\cdot)\)
\(\chi_{15867}(580,\cdot)\)
\(\chi_{15867}(637,\cdot)\)
\(\chi_{15867}(643,\cdot)\)
\(\chi_{15867}(709,\cdot)\)
\(\chi_{15867}(772,\cdot)\)
\(\chi_{15867}(790,\cdot)\)
\(\chi_{15867}(895,\cdot)\)
\(\chi_{15867}(967,\cdot)\)
\(\chi_{15867}(1096,\cdot)\)
\(\chi_{15867}(1129,\cdot)\)
\(\chi_{15867}(1159,\cdot)\)
\(\chi_{15867}(1165,\cdot)\)
\(\chi_{15867}(1177,\cdot)\)
\(\chi_{15867}(1258,\cdot)\)
\(\chi_{15867}(1282,\cdot)\)
\(\chi_{15867}(1411,\cdot)\)
\(\chi_{15867}(1483,\cdot)\)
\(\chi_{15867}(1546,\cdot)\)
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 };
| Field of values: |
$\Q(\zeta_{840})$ |
sage:CyclotomicField(chi.multiplicative_order())
gp:nfinit(polcyclo(charorder(g,chi)))
magma:CyclotomicField(Order(chi));
|
| Fixed field: |
Number field defined by a degree 840 polynomial (not computed) |
sage:chi.fixed_field()
|
\((14105,15094,7012)\) → \((e\left(\frac{2}{3}\right),e\left(\frac{21}{40}\right),e\left(\frac{6}{7}\right))\)
| \(a\) |
\(-1\) | \(1\) | \(2\) | \(4\) | \(5\) | \(7\) | \(8\) | \(10\) | \(11\) | \(13\) | \(14\) | \(16\) |
| \( \chi_{ 15867 }(322, a) \) |
\(-1\) | \(1\) | \(e\left(\frac{193}{420}\right)\) | \(e\left(\frac{193}{210}\right)\) | \(e\left(\frac{131}{420}\right)\) | \(e\left(\frac{17}{120}\right)\) | \(e\left(\frac{53}{140}\right)\) | \(e\left(\frac{27}{35}\right)\) | \(e\left(\frac{803}{840}\right)\) | \(e\left(\frac{31}{840}\right)\) | \(e\left(\frac{101}{168}\right)\) | \(e\left(\frac{88}{105}\right)\) |
sage:chi(x) # x integer
gp:chareval(g,chi,x) \\ x integer, value in Q/Z
magma:chi(x)