sage:from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(2057, base_ring=CyclotomicField(440))
M = H._module
chi = DirichletCharacter(H, M([24,165]))
gp:[g,chi] = znchar(Mod(185, 2057))
magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("2057.185");
| Modulus: | \(2057\) |
sage:chi.modulus()
gp:g[1][1]
magma:Modulus(chi);
|
| Conductor: | \(2057\) |
sage:chi.conductor()
gp:znconreyconductor(g,chi)
magma:Conductor(chi);
|
| Order: | \(440\) |
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);
|
\(\chi_{2057}(15,\cdot)\)
\(\chi_{2057}(25,\cdot)\)
\(\chi_{2057}(26,\cdot)\)
\(\chi_{2057}(36,\cdot)\)
\(\chi_{2057}(42,\cdot)\)
\(\chi_{2057}(49,\cdot)\)
\(\chi_{2057}(53,\cdot)\)
\(\chi_{2057}(59,\cdot)\)
\(\chi_{2057}(60,\cdot)\)
\(\chi_{2057}(70,\cdot)\)
\(\chi_{2057}(93,\cdot)\)
\(\chi_{2057}(104,\cdot)\)
\(\chi_{2057}(168,\cdot)\)
\(\chi_{2057}(179,\cdot)\)
\(\chi_{2057}(185,\cdot)\)
\(\chi_{2057}(196,\cdot)\)
\(\chi_{2057}(212,\cdot)\)
\(\chi_{2057}(213,\cdot)\)
\(\chi_{2057}(223,\cdot)\)
\(\chi_{2057}(229,\cdot)\)
\(\chi_{2057}(236,\cdot)\)
\(\chi_{2057}(240,\cdot)\)
\(\chi_{2057}(246,\cdot)\)
\(\chi_{2057}(247,\cdot)\)
\(\chi_{2057}(257,\cdot)\)
\(\chi_{2057}(280,\cdot)\)
\(\chi_{2057}(291,\cdot)\)
\(\chi_{2057}(355,\cdot)\)
\(\chi_{2057}(383,\cdot)\)
\(\chi_{2057}(389,\cdot)\)
...
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: |
$\Q(\zeta_{440})$ |
sage:CyclotomicField(chi.multiplicative_order())
gp:nfinit(polcyclo(charorder(g,chi)))
magma:CyclotomicField(Order(chi));
|
| Fixed field: |
Number field defined by a degree 440 polynomial (not computed) |
sage:chi.fixed_field()
|
\((970,122)\) → \((e\left(\frac{3}{55}\right),e\left(\frac{3}{8}\right))\)
| \(a\) |
\(-1\) | \(1\) | \(2\) | \(3\) | \(4\) | \(5\) | \(6\) | \(7\) | \(8\) | \(9\) | \(10\) | \(12\) |
| \( \chi_{ 2057 }(185, a) \) |
\(1\) | \(1\) | \(e\left(\frac{67}{220}\right)\) | \(e\left(\frac{7}{40}\right)\) | \(e\left(\frac{67}{110}\right)\) | \(e\left(\frac{401}{440}\right)\) | \(e\left(\frac{211}{440}\right)\) | \(e\left(\frac{223}{440}\right)\) | \(e\left(\frac{201}{220}\right)\) | \(e\left(\frac{7}{20}\right)\) | \(e\left(\frac{19}{88}\right)\) | \(e\left(\frac{69}{88}\right)\) |
sage:chi(x) # x integer
gp:chareval(g,chi,x) \\ x integer, value in Q/Z
magma:chi(x)