from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(9792, base_ring=CyclotomicField(16))
M = H._module
chi = DirichletCharacter(H, M([8,4,0,9]))
pari: [g,chi] = znchar(Mod(847,9792))
Basic properties
| Modulus: | \(9792\) | |
| Conductor: | \(272\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(16\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{272}(235,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | no | |
| Parity: | even | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 9792.ic
\(\chi_{9792}(847,\cdot)\) \(\chi_{9792}(1423,\cdot)\) \(\chi_{9792}(1711,\cdot)\) \(\chi_{9792}(2863,\cdot)\) \(\chi_{9792}(6895,\cdot)\) \(\chi_{9792}(8047,\cdot)\) \(\chi_{9792}(8335,\cdot)\) \(\chi_{9792}(8911,\cdot)\)
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: | 16.16.50356278859985642512053476261888.1 |
Values on generators
\((7039,5509,8705,9217)\) → \((-1,i,1,e\left(\frac{9}{16}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(5\) | \(7\) | \(11\) | \(13\) | \(19\) | \(23\) | \(25\) | \(29\) | \(31\) | \(35\) |
| \( \chi_{ 9792 }(847, a) \) | \(1\) | \(1\) | \(e\left(\frac{1}{16}\right)\) | \(e\left(\frac{3}{16}\right)\) | \(e\left(\frac{11}{16}\right)\) | \(1\) | \(e\left(\frac{1}{8}\right)\) | \(e\left(\frac{7}{16}\right)\) | \(e\left(\frac{1}{8}\right)\) | \(e\left(\frac{1}{16}\right)\) | \(e\left(\frac{9}{16}\right)\) | \(i\) |
sage: chi.jacobi_sum(n)