from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(3800, base_ring=CyclotomicField(30))
M = H._module
chi = DirichletCharacter(H, M([15,0,12,25]))
pari: [g,chi] = znchar(Mod(31,3800))
Basic properties
| Modulus: | \(3800\) | |
| Conductor: | \(1900\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(30\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{1900}(31,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | no | |
| Parity: | even | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 3800.dv
\(\chi_{3800}(31,\cdot)\) \(\chi_{3800}(711,\cdot)\) \(\chi_{3800}(791,\cdot)\) \(\chi_{3800}(1471,\cdot)\) \(\chi_{3800}(2231,\cdot)\) \(\chi_{3800}(2311,\cdot)\) \(\chi_{3800}(2991,\cdot)\) \(\chi_{3800}(3071,\cdot)\)
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: | \(\Q(\zeta_{15})\) |
| Fixed field: | Number field defined by a degree 30 polynomial |
Values on generators
\((951,1901,1977,401)\) → \((-1,1,e\left(\frac{2}{5}\right),e\left(\frac{5}{6}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(3\) | \(7\) | \(9\) | \(11\) | \(13\) | \(17\) | \(21\) | \(23\) | \(27\) | \(29\) |
| \( \chi_{ 3800 }(31, a) \) | \(1\) | \(1\) | \(e\left(\frac{2}{15}\right)\) | \(-1\) | \(e\left(\frac{4}{15}\right)\) | \(e\left(\frac{9}{10}\right)\) | \(e\left(\frac{23}{30}\right)\) | \(e\left(\frac{8}{15}\right)\) | \(e\left(\frac{19}{30}\right)\) | \(e\left(\frac{17}{30}\right)\) | \(e\left(\frac{2}{5}\right)\) | \(e\left(\frac{29}{30}\right)\) |
sage: chi.jacobi_sum(n)