from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(889, base_ring=CyclotomicField(42))
M = H._module
chi = DirichletCharacter(H, M([7,23]))
pari: [g,chi] = znchar(Mod(668,889))
Basic properties
| Modulus: | \(889\) | |
| Conductor: | \(889\) | 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 889.br
\(\chi_{889}(10,\cdot)\) \(\chi_{889}(54,\cdot)\) \(\chi_{889}(66,\cdot)\) \(\chi_{889}(80,\cdot)\) \(\chi_{889}(89,\cdot)\) \(\chi_{889}(229,\cdot)\) \(\chi_{889}(432,\cdot)\) \(\chi_{889}(640,\cdot)\) \(\chi_{889}(668,\cdot)\) \(\chi_{889}(675,\cdot)\) \(\chi_{889}(712,\cdot)\) \(\chi_{889}(789,\cdot)\)
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: | 42.42.68294221643735165246072560329301656207364612371718899040604677564104303244539355230507813039348036672652649670437161.2 |
Values on generators
\((255,638)\) → \((e\left(\frac{1}{6}\right),e\left(\frac{23}{42}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(2\) | \(3\) | \(4\) | \(5\) | \(6\) | \(8\) | \(9\) | \(10\) | \(11\) | \(12\) |
| \( \chi_{ 889 }(668, a) \) | \(1\) | \(1\) | \(e\left(\frac{16}{21}\right)\) | \(e\left(\frac{5}{7}\right)\) | \(e\left(\frac{11}{21}\right)\) | \(e\left(\frac{10}{21}\right)\) | \(e\left(\frac{10}{21}\right)\) | \(e\left(\frac{2}{7}\right)\) | \(e\left(\frac{3}{7}\right)\) | \(e\left(\frac{5}{21}\right)\) | \(e\left(\frac{19}{21}\right)\) | \(e\left(\frac{5}{21}\right)\) |
sage: chi.jacobi_sum(n)
Gauss sum
sage: chi.gauss_sum(a)
pari: znchargauss(g,chi,a)
Jacobi sum
sage: chi.jacobi_sum(n)
Kloosterman sum
sage: chi.kloosterman_sum(a,b)