from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1856, base_ring=CyclotomicField(28))
M = H._module
chi = DirichletCharacter(H, M([0,7,19]))
pari: [g,chi] = znchar(Mod(113,1856))
Basic properties
| Modulus: | \(1856\) | |
| Conductor: | \(464\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(28\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{464}(229,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | no | |
| Parity: | odd | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 1856.bt
\(\chi_{1856}(113,\cdot)\) \(\chi_{1856}(305,\cdot)\) \(\chi_{1856}(433,\cdot)\) \(\chi_{1856}(561,\cdot)\) \(\chi_{1856}(657,\cdot)\) \(\chi_{1856}(785,\cdot)\) \(\chi_{1856}(913,\cdot)\) \(\chi_{1856}(1105,\cdot)\) \(\chi_{1856}(1265,\cdot)\) \(\chi_{1856}(1297,\cdot)\) \(\chi_{1856}(1777,\cdot)\) \(\chi_{1856}(1809,\cdot)\)
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: | \(\Q(\zeta_{28})\) |
| Fixed field: | 28.0.461376647922644386311538110285539877693458386764746599325237248.1 |
Values on generators
\((639,581,321)\) → \((1,i,e\left(\frac{19}{28}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(3\) | \(5\) | \(7\) | \(9\) | \(11\) | \(13\) | \(15\) | \(17\) | \(19\) | \(21\) |
| \( \chi_{ 1856 }(113, a) \) | \(-1\) | \(1\) | \(e\left(\frac{1}{7}\right)\) | \(e\left(\frac{5}{28}\right)\) | \(e\left(\frac{9}{14}\right)\) | \(e\left(\frac{2}{7}\right)\) | \(e\left(\frac{3}{14}\right)\) | \(e\left(\frac{27}{28}\right)\) | \(e\left(\frac{9}{28}\right)\) | \(i\) | \(e\left(\frac{6}{7}\right)\) | \(e\left(\frac{11}{14}\right)\) |
sage: chi.jacobi_sum(n)