from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1848, base_ring=CyclotomicField(30))
M = H._module
chi = DirichletCharacter(H, M([15,15,0,25,27]))
pari: [g,chi] = znchar(Mod(523,1848))
Basic properties
| Modulus: | \(1848\) | |
| Conductor: | \(616\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(30\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{616}(523,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | yes | |
| Parity: | odd | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 1848.ex
\(\chi_{1848}(19,\cdot)\) \(\chi_{1848}(283,\cdot)\) \(\chi_{1848}(523,\cdot)\) \(\chi_{1848}(787,\cdot)\) \(\chi_{1848}(1195,\cdot)\) \(\chi_{1848}(1459,\cdot)\) \(\chi_{1848}(1531,\cdot)\) \(\chi_{1848}(1795,\cdot)\)
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: | \(\Q(\zeta_{15})\) |
| Fixed field: | 30.0.618590583273987610889564118763660122719349922669747364171874304.1 |
Values on generators
\((463,925,617,1585,673)\) → \((-1,-1,1,e\left(\frac{5}{6}\right),e\left(\frac{9}{10}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(5\) | \(13\) | \(17\) | \(19\) | \(23\) | \(25\) | \(29\) | \(31\) | \(37\) | \(41\) |
| \( \chi_{ 1848 }(523, a) \) | \(-1\) | \(1\) | \(e\left(\frac{4}{15}\right)\) | \(e\left(\frac{9}{10}\right)\) | \(e\left(\frac{14}{15}\right)\) | \(e\left(\frac{13}{15}\right)\) | \(e\left(\frac{1}{6}\right)\) | \(e\left(\frac{8}{15}\right)\) | \(e\left(\frac{4}{5}\right)\) | \(e\left(\frac{11}{15}\right)\) | \(e\left(\frac{29}{30}\right)\) | \(e\left(\frac{1}{5}\right)\) |
sage: chi.jacobi_sum(n)