from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(2842, base_ring=CyclotomicField(42))
M = H._module
chi = DirichletCharacter(H, M([28,15]))
pari: [g,chi] = znchar(Mod(67,2842))
Basic properties
| Modulus: | \(2842\) | |
| Conductor: | \(203\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(42\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{203}(67,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | no | |
| Parity: | even | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 2842.dd
\(\chi_{2842}(67,\cdot)\) \(\chi_{2842}(361,\cdot)\) \(\chi_{2842}(557,\cdot)\) \(\chi_{2842}(863,\cdot)\) \(\chi_{2842}(961,\cdot)\) \(\chi_{2842}(1733,\cdot)\) \(\chi_{2842}(1745,\cdot)\) \(\chi_{2842}(1831,\cdot)\) \(\chi_{2842}(2039,\cdot)\) \(\chi_{2842}(2333,\cdot)\) \(\chi_{2842}(2529,\cdot)\) \(\chi_{2842}(2615,\cdot)\)
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: | \(\Q(\zeta_{21})\) |
| Fixed field: | 42.42.496897759422042196258605771077406782550407598249513303021389442457964675897236469.1 |
Values on generators
\((1277,785)\) → \((e\left(\frac{2}{3}\right),e\left(\frac{5}{14}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(3\) | \(5\) | \(9\) | \(11\) | \(13\) | \(15\) | \(17\) | \(19\) | \(23\) | \(25\) |
| \( \chi_{ 2842 }(67, a) \) | \(1\) | \(1\) | \(e\left(\frac{19}{42}\right)\) | \(e\left(\frac{4}{21}\right)\) | \(e\left(\frac{19}{21}\right)\) | \(e\left(\frac{25}{42}\right)\) | \(e\left(\frac{3}{7}\right)\) | \(e\left(\frac{9}{14}\right)\) | \(e\left(\frac{1}{6}\right)\) | \(e\left(\frac{23}{42}\right)\) | \(e\left(\frac{10}{21}\right)\) | \(e\left(\frac{8}{21}\right)\) |
sage: chi.jacobi_sum(n)