from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(4080, base_ring=CyclotomicField(16))
M = H._module
chi = DirichletCharacter(H, M([8,4,8,0,7]))
pari: [g,chi] = znchar(Mod(11,4080))
Basic properties
| Modulus: | \(4080\) | |
| Conductor: | \(816\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(16\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{816}(11,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | yes | |
| Parity: | odd | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 4080.il
\(\chi_{4080}(11,\cdot)\) \(\chi_{4080}(131,\cdot)\) \(\chi_{4080}(371,\cdot)\) \(\chi_{4080}(1091,\cdot)\) \(\chi_{4080}(1331,\cdot)\) \(\chi_{4080}(1451,\cdot)\) \(\chi_{4080}(1931,\cdot)\) \(\chi_{4080}(3611,\cdot)\)
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: | \(\Q(\zeta_{16})\) |
| Fixed field: | 16.0.330387545600365800521582857754247168.1 |
Values on generators
\((511,3061,1361,817,241)\) → \((-1,i,-1,1,e\left(\frac{7}{16}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(7\) | \(11\) | \(13\) | \(19\) | \(23\) | \(29\) | \(31\) | \(37\) | \(41\) | \(43\) |
| \( \chi_{ 4080 }(11, a) \) | \(-1\) | \(1\) | \(e\left(\frac{13}{16}\right)\) | \(e\left(\frac{5}{16}\right)\) | \(-1\) | \(e\left(\frac{3}{8}\right)\) | \(e\left(\frac{1}{16}\right)\) | \(e\left(\frac{15}{16}\right)\) | \(e\left(\frac{7}{16}\right)\) | \(e\left(\frac{11}{16}\right)\) | \(e\left(\frac{13}{16}\right)\) | \(e\left(\frac{5}{8}\right)\) |
sage: chi.jacobi_sum(n)