from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1530, base_ring=CyclotomicField(24))
M = H._module
chi = DirichletCharacter(H, M([20,6,21]))
pari: [g,chi] = znchar(Mod(257,1530))
Basic properties
| Modulus: | \(1530\) | |
| Conductor: | \(765\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(24\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{765}(257,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | yes | |
| Parity: | even | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 1530.ci
\(\chi_{1530}(257,\cdot)\) \(\chi_{1530}(263,\cdot)\) \(\chi_{1530}(383,\cdot)\) \(\chi_{1530}(767,\cdot)\) \(\chi_{1530}(797,\cdot)\) \(\chi_{1530}(893,\cdot)\) \(\chi_{1530}(1283,\cdot)\) \(\chi_{1530}(1307,\cdot)\)
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: | \(\Q(\zeta_{24})\) |
| Fixed field: | Number field defined by a degree 24 polynomial |
Values on generators
\((1361,307,1261)\) → \((e\left(\frac{5}{6}\right),i,e\left(\frac{7}{8}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(7\) | \(11\) | \(13\) | \(19\) | \(23\) | \(29\) | \(31\) | \(37\) | \(41\) | \(43\) |
| \( \chi_{ 1530 }(257, a) \) | \(1\) | \(1\) | \(e\left(\frac{5}{24}\right)\) | \(e\left(\frac{23}{24}\right)\) | \(e\left(\frac{11}{12}\right)\) | \(-i\) | \(e\left(\frac{1}{24}\right)\) | \(e\left(\frac{17}{24}\right)\) | \(e\left(\frac{13}{24}\right)\) | \(e\left(\frac{1}{8}\right)\) | \(e\left(\frac{19}{24}\right)\) | \(e\left(\frac{5}{6}\right)\) |
sage: chi.jacobi_sum(n)