from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(7803, base_ring=CyclotomicField(4))
M = H._module
chi = DirichletCharacter(H, M([0,3]))
pari: [g,chi] = znchar(Mod(2350,7803))
Basic properties
Modulus: | \(7803\) | |
Conductor: | \(17\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
Order: | \(4\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
Real: | no | |
Primitive: | no, induced from \(\chi_{17}(4,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
Minimal: | no | |
Parity: | even | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 7803.f
\(\chi_{7803}(2350,\cdot)\) \(\chi_{7803}(3430,\cdot)\)
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: | \(\mathbb{Q}(i)\) |
Fixed field: | 4.4.4913.1 |
Values on generators
\((2891,2026)\) → \((1,-i)\)
First values
\(a\) | \(-1\) | \(1\) | \(2\) | \(4\) | \(5\) | \(7\) | \(8\) | \(10\) | \(11\) | \(13\) | \(14\) | \(16\) |
\( \chi_{ 7803 }(2350, a) \) | \(1\) | \(1\) | \(-1\) | \(1\) | \(-i\) | \(i\) | \(-1\) | \(i\) | \(i\) | \(1\) | \(-i\) | \(1\) |
sage: chi.jacobi_sum(n)