from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(4001, base_ring=CyclotomicField(16))
M = H._module
chi = DirichletCharacter(H, M([5]))
pari: [g,chi] = znchar(Mod(1115,4001))
Basic properties
| Modulus: | \(4001\) | |
| Conductor: | \(4001\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(16\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | yes | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | yes | |
| Parity: | even | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 4001.g
\(\chi_{4001}(1115,\cdot)\) \(\chi_{4001}(1413,\cdot)\) \(\chi_{4001}(1866,\cdot)\) \(\chi_{4001}(1970,\cdot)\) \(\chi_{4001}(2031,\cdot)\) \(\chi_{4001}(2135,\cdot)\) \(\chi_{4001}(2588,\cdot)\) \(\chi_{4001}(2886,\cdot)\)
sage: chi.galois_orbit()
order = charorder(g,chi)
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
Related number fields
| Field of values: | \(\Q(\zeta_{16})\) |
| Fixed field: | Number field defined by a degree 16 polynomial |
Values on generators
\(3\) → \(e\left(\frac{5}{16}\right)\)
First values
| \(a\) | \(-1\) | \(1\) | \(2\) | \(3\) | \(4\) | \(5\) | \(6\) | \(7\) | \(8\) | \(9\) | \(10\) | \(11\) |
| \( \chi_{ 4001 }(1115, a) \) | \(1\) | \(1\) | \(-i\) | \(e\left(\frac{5}{16}\right)\) | \(-1\) | \(-i\) | \(e\left(\frac{1}{16}\right)\) | \(i\) | \(i\) | \(e\left(\frac{5}{8}\right)\) | \(-1\) | \(e\left(\frac{5}{16}\right)\) |
sage: chi.jacobi_sum(n)