from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1764, base_ring=CyclotomicField(42))
M = H._module
chi = DirichletCharacter(H, M([21,14,23]))
pari: [g,chi] = znchar(Mod(1363,1764))
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: | even | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 1764.ce
\(\chi_{1764}(103,\cdot)\) \(\chi_{1764}(115,\cdot)\) \(\chi_{1764}(355,\cdot)\) \(\chi_{1764}(367,\cdot)\) \(\chi_{1764}(859,\cdot)\) \(\chi_{1764}(871,\cdot)\) \(\chi_{1764}(1111,\cdot)\) \(\chi_{1764}(1123,\cdot)\) \(\chi_{1764}(1363,\cdot)\) \(\chi_{1764}(1375,\cdot)\) \(\chi_{1764}(1615,\cdot)\) \(\chi_{1764}(1627,\cdot)\)
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: | 42.42.272018952124861435139193115870691546077971916868404958924735840700688722215619164268098368399776141017088.1 |
Values on generators
\((883,785,1081)\) → \((-1,e\left(\frac{1}{3}\right),e\left(\frac{23}{42}\right))\)
First values
\(a\) | \(-1\) | \(1\) | \(5\) | \(11\) | \(13\) | \(17\) | \(19\) | \(23\) | \(25\) | \(29\) | \(31\) | \(37\) |
\( \chi_{ 1764 }(1363, a) \) | \(1\) | \(1\) | \(e\left(\frac{23}{42}\right)\) | \(e\left(\frac{31}{42}\right)\) | \(e\left(\frac{31}{42}\right)\) | \(e\left(\frac{29}{42}\right)\) | \(e\left(\frac{2}{3}\right)\) | \(e\left(\frac{41}{42}\right)\) | \(e\left(\frac{2}{21}\right)\) | \(e\left(\frac{4}{21}\right)\) | \(1\) | \(e\left(\frac{11}{21}\right)\) |
sage: chi.jacobi_sum(n)