sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(2900, base_ring=CyclotomicField(28))
M = H._module
chi = DirichletCharacter(H, M([0,21,3]))
gp:[g,chi] = znchar(Mod(1893, 2900))
magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("2900.1893");
| Modulus: | \(2900\) |
sage:chi.modulus()
gp:g[1][1]
magma:Modulus(chi);
|
| Conductor: | \(145\) |
sage:chi.conductor()
gp:znconreyconductor(g,chi)
magma:Conductor(chi);
|
| Order: | \(28\) |
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: | no, induced from \(\chi_{145}(8,\cdot)\) |
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);
|
\(\chi_{2900}(657,\cdot)\)
\(\chi_{2900}(693,\cdot)\)
\(\chi_{2900}(757,\cdot)\)
\(\chi_{2900}(793,\cdot)\)
\(\chi_{2900}(1593,\cdot)\)
\(\chi_{2900}(1893,\cdot)\)
\(\chi_{2900}(1957,\cdot)\)
\(\chi_{2900}(2157,\cdot)\)
\(\chi_{2900}(2193,\cdot)\)
\(\chi_{2900}(2393,\cdot)\)
\(\chi_{2900}(2457,\cdot)\)
\(\chi_{2900}(2757,\cdot)\)
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 };
\((1451,1277,901)\) → \((1,-i,e\left(\frac{3}{28}\right))\)
| \(a\) |
\(-1\) | \(1\) | \(3\) | \(7\) | \(9\) | \(11\) | \(13\) | \(17\) | \(19\) | \(21\) | \(23\) | \(27\) |
| \( \chi_{ 2900 }(1893, a) \) |
\(1\) | \(1\) | \(e\left(\frac{11}{14}\right)\) | \(e\left(\frac{1}{28}\right)\) | \(e\left(\frac{4}{7}\right)\) | \(e\left(\frac{19}{28}\right)\) | \(e\left(\frac{5}{28}\right)\) | \(1\) | \(e\left(\frac{13}{28}\right)\) | \(e\left(\frac{23}{28}\right)\) | \(e\left(\frac{11}{28}\right)\) | \(e\left(\frac{5}{14}\right)\) |
sage:chi(x)
gp:chareval(g,chi,x) \\\\ x integer, value in Q/Z'
magma:chi(x)