from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1984, base_ring=CyclotomicField(16))
M = H._module
chi = DirichletCharacter(H, M([8,1,0]))
pari: [g,chi] = znchar(Mod(187,1984))
Basic properties
| Modulus: | \(1984\) | |
| Conductor: | \(64\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(16\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{64}(59,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | yes | |
| Parity: | odd | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 1984.bm
\(\chi_{1984}(187,\cdot)\) \(\chi_{1984}(435,\cdot)\) \(\chi_{1984}(683,\cdot)\) \(\chi_{1984}(931,\cdot)\) \(\chi_{1984}(1179,\cdot)\) \(\chi_{1984}(1427,\cdot)\) \(\chi_{1984}(1675,\cdot)\) \(\chi_{1984}(1923,\cdot)\)
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: | 16.0.604462909807314587353088.1 |
Values on generators
\((63,1861,65)\) → \((-1,e\left(\frac{1}{16}\right),1)\)
First values
| \(a\) | \(-1\) | \(1\) | \(3\) | \(5\) | \(7\) | \(9\) | \(11\) | \(13\) | \(15\) | \(17\) | \(19\) | \(21\) |
| \( \chi_{ 1984 }(187, a) \) | \(-1\) | \(1\) | \(e\left(\frac{11}{16}\right)\) | \(e\left(\frac{1}{16}\right)\) | \(e\left(\frac{1}{8}\right)\) | \(e\left(\frac{3}{8}\right)\) | \(e\left(\frac{13}{16}\right)\) | \(e\left(\frac{15}{16}\right)\) | \(-i\) | \(-i\) | \(e\left(\frac{15}{16}\right)\) | \(e\left(\frac{13}{16}\right)\) |
sage: chi.jacobi_sum(n)