from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(2624, base_ring=CyclotomicField(20))
M = H._module
chi = DirichletCharacter(H, M([10,5,2]))
pari: [g,chi] = znchar(Mod(271,2624))
Basic properties
| Modulus: | \(2624\) | |
| Conductor: | \(656\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(20\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{656}(107,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | no | |
| Parity: | odd | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 2624.cx
\(\chi_{2624}(271,\cdot)\) \(\chi_{2624}(687,\cdot)\) \(\chi_{2624}(783,\cdot)\) \(\chi_{2624}(1007,\cdot)\) \(\chi_{2624}(1583,\cdot)\) \(\chi_{2624}(1999,\cdot)\) \(\chi_{2624}(2095,\cdot)\) \(\chi_{2624}(2319,\cdot)\)
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: | \(\Q(\zeta_{20})\) |
| Fixed field: | 20.0.3861527948538754066765309405375180236891619328.1 |
Values on generators
\((575,1477,129)\) → \((-1,i,e\left(\frac{1}{10}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(3\) | \(5\) | \(7\) | \(9\) | \(11\) | \(13\) | \(15\) | \(17\) | \(19\) | \(21\) |
| \( \chi_{ 2624 }(271, a) \) | \(-1\) | \(1\) | \(-i\) | \(e\left(\frac{9}{20}\right)\) | \(e\left(\frac{9}{10}\right)\) | \(-1\) | \(e\left(\frac{1}{20}\right)\) | \(e\left(\frac{17}{20}\right)\) | \(e\left(\frac{1}{5}\right)\) | \(e\left(\frac{3}{10}\right)\) | \(e\left(\frac{3}{20}\right)\) | \(e\left(\frac{13}{20}\right)\) |
sage: chi.jacobi_sum(n)