from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(137, base_ring=CyclotomicField(34))
M = H._module
chi = DirichletCharacter(H, M([19]))
pari: [g,chi] = znchar(Mod(15,137))
Basic properties
| Modulus: | \(137\) | |
| Conductor: | \(137\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(34\) | 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 137.f
\(\chi_{137}(4,\cdot)\) \(\chi_{137}(14,\cdot)\) \(\chi_{137}(15,\cdot)\) \(\chi_{137}(18,\cdot)\) \(\chi_{137}(22,\cdot)\) \(\chi_{137}(49,\cdot)\) \(\chi_{137}(63,\cdot)\) \(\chi_{137}(64,\cdot)\) \(\chi_{137}(65,\cdot)\) \(\chi_{137}(77,\cdot)\) \(\chi_{137}(78,\cdot)\) \(\chi_{137}(81,\cdot)\) \(\chi_{137}(87,\cdot)\) \(\chi_{137}(99,\cdot)\) \(\chi_{137}(103,\cdot)\) \(\chi_{137}(121,\cdot)\)
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: | \(\Q(\zeta_{17})\) |
| Fixed field: | Number field defined by a degree 34 polynomial |
Values on generators
\(3\) → \(e\left(\frac{19}{34}\right)\)
First values
| \(a\) | \(-1\) | \(1\) | \(2\) | \(3\) | \(4\) | \(5\) | \(6\) | \(7\) | \(8\) | \(9\) | \(10\) | \(11\) |
| \( \chi_{ 137 }(15, a) \) | \(1\) | \(1\) | \(e\left(\frac{10}{17}\right)\) | \(e\left(\frac{19}{34}\right)\) | \(e\left(\frac{3}{17}\right)\) | \(e\left(\frac{31}{34}\right)\) | \(e\left(\frac{5}{34}\right)\) | \(e\left(\frac{8}{17}\right)\) | \(e\left(\frac{13}{17}\right)\) | \(e\left(\frac{2}{17}\right)\) | \(-1\) | \(e\left(\frac{3}{17}\right)\) |
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)