sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1666, base_ring=CyclotomicField(2))
M = H._module
chi = DirichletCharacter(H, M([0,0]))
gp:[g,chi] = znchar(Mod(1, 1666))
magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("1666.1");
| Modulus: | \(1666\) |
sage:chi.modulus()
gp:g[1][1]
magma:Modulus(chi);
|
| Conductor: | \(1\) |
sage:chi.conductor()
gp:znconreyconductor(g,chi)
magma:Conductor(chi);
|
| Order: | \(1\) |
sage:chi.multiplicative_order()
gp:charorder(g,chi)
magma:Order(chi);
|
| Real: | yes |
sage:chi.multiplicative_order() <= 2
gp:charorder(g,chi) <= 2
magma:Order(chi) le 2;
|
| Primitive: | no, induced from \(\chi_{1}(0,\cdot)\) |
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);
|
\(\chi_{1666}(1,\cdot)\)
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 };
\((885,785)\) → \((1,1)\)
| \(a\) |
\(-1\) | \(1\) | \(3\) | \(5\) | \(9\) | \(11\) | \(13\) | \(15\) | \(19\) | \(23\) | \(25\) | \(27\) |
| \( \chi_{ 1666 }(1, a) \) |
\(1\) | \(1\) | \(1\) | \(1\) | \(1\) | \(1\) | \(1\) | \(1\) | \(1\) | \(1\) | \(1\) | \(1\) |
sage:chi(x)
gp:chareval(g,chi,x) \\\\ x integer, value in Q/Z'
magma:chi(x)