from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1476, base_ring=CyclotomicField(40))
M = H._module
chi = DirichletCharacter(H, M([20,0,9]))
pari: [g,chi] = znchar(Mod(19,1476))
Basic properties
| Modulus: | \(1476\) | |
| Conductor: | \(164\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(40\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{164}(19,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | yes | |
| Parity: | even | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 1476.ca
\(\chi_{1476}(19,\cdot)\) \(\chi_{1476}(199,\cdot)\) \(\chi_{1476}(235,\cdot)\) \(\chi_{1476}(343,\cdot)\) \(\chi_{1476}(559,\cdot)\) \(\chi_{1476}(667,\cdot)\) \(\chi_{1476}(703,\cdot)\) \(\chi_{1476}(883,\cdot)\) \(\chi_{1476}(919,\cdot)\) \(\chi_{1476}(955,\cdot)\) \(\chi_{1476}(991,\cdot)\) \(\chi_{1476}(1135,\cdot)\) \(\chi_{1476}(1243,\cdot)\) \(\chi_{1476}(1387,\cdot)\) \(\chi_{1476}(1423,\cdot)\) \(\chi_{1476}(1459,\cdot)\)
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: | \(\Q(\zeta_{40})\) |
| Fixed field: | \(\Q(\zeta_{164})^+\) |
Values on generators
\((739,821,1441)\) → \((-1,1,e\left(\frac{9}{40}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(5\) | \(7\) | \(11\) | \(13\) | \(17\) | \(19\) | \(23\) | \(25\) | \(29\) | \(31\) |
| \( \chi_{ 1476 }(19, a) \) | \(1\) | \(1\) | \(e\left(\frac{19}{20}\right)\) | \(e\left(\frac{11}{40}\right)\) | \(e\left(\frac{7}{40}\right)\) | \(e\left(\frac{39}{40}\right)\) | \(e\left(\frac{17}{40}\right)\) | \(e\left(\frac{21}{40}\right)\) | \(e\left(\frac{3}{5}\right)\) | \(e\left(\frac{9}{10}\right)\) | \(e\left(\frac{23}{40}\right)\) | \(e\left(\frac{4}{5}\right)\) |
sage: chi.jacobi_sum(n)