from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1764, base_ring=CyclotomicField(42))
M = H._module
chi = DirichletCharacter(H, M([21,35,11]))
pari: [g,chi] = znchar(Mod(1139,1764))
Basic properties
| Modulus: | \(1764\) | |
| Conductor: | \(1764\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(42\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | yes | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | yes | |
| Parity: | odd | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 1764.cw
\(\chi_{1764}(131,\cdot)\) \(\chi_{1764}(383,\cdot)\) \(\chi_{1764}(479,\cdot)\) \(\chi_{1764}(635,\cdot)\) \(\chi_{1764}(731,\cdot)\) \(\chi_{1764}(887,\cdot)\) \(\chi_{1764}(983,\cdot)\) \(\chi_{1764}(1139,\cdot)\) \(\chi_{1764}(1235,\cdot)\) \(\chi_{1764}(1487,\cdot)\) \(\chi_{1764}(1643,\cdot)\) \(\chi_{1764}(1739,\cdot)\)
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: | \(\Q(\zeta_{21})\) |
| Fixed field: | 42.0.594905448297071958649415344409202411272524582191201645168397283612406235485559112254331131690310420404371456.2 |
Values on generators
\((883,785,1081)\) → \((-1,e\left(\frac{5}{6}\right),e\left(\frac{11}{42}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(5\) | \(11\) | \(13\) | \(17\) | \(19\) | \(23\) | \(25\) | \(29\) | \(31\) | \(37\) |
| \( \chi_{ 1764 }(1139, a) \) | \(-1\) | \(1\) | \(e\left(\frac{16}{21}\right)\) | \(e\left(\frac{17}{21}\right)\) | \(e\left(\frac{13}{42}\right)\) | \(e\left(\frac{1}{21}\right)\) | \(e\left(\frac{2}{3}\right)\) | \(e\left(\frac{13}{21}\right)\) | \(e\left(\frac{11}{21}\right)\) | \(e\left(\frac{23}{42}\right)\) | \(1\) | \(e\left(\frac{8}{21}\right)\) |
sage: chi.jacobi_sum(n)