from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(2842, base_ring=CyclotomicField(28))
M = H._module
chi = DirichletCharacter(H, M([18,3]))
pari: [g,chi] = znchar(Mod(153,2842))
Basic properties
| Modulus: | \(2842\) | |
| Conductor: | \(1421\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(28\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{1421}(153,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | yes | |
| Parity: | even | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 2842.cp
\(\chi_{2842}(153,\cdot)\) \(\chi_{2842}(657,\cdot)\) \(\chi_{2842}(797,\cdot)\) \(\chi_{2842}(1105,\cdot)\) \(\chi_{2842}(1581,\cdot)\) \(\chi_{2842}(1651,\cdot)\) \(\chi_{2842}(1819,\cdot)\) \(\chi_{2842}(1903,\cdot)\) \(\chi_{2842}(1945,\cdot)\) \(\chi_{2842}(2085,\cdot)\) \(\chi_{2842}(2099,\cdot)\) \(\chi_{2842}(2127,\cdot)\)
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: | \(\Q(\zeta_{28})\) |
| Fixed field: | Number field defined by a degree 28 polynomial |
Values on generators
\((1277,785)\) → \((e\left(\frac{9}{14}\right),e\left(\frac{3}{28}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(3\) | \(5\) | \(9\) | \(11\) | \(13\) | \(15\) | \(17\) | \(19\) | \(23\) | \(25\) |
| \( \chi_{ 2842 }(153, a) \) | \(1\) | \(1\) | \(e\left(\frac{5}{28}\right)\) | \(1\) | \(e\left(\frac{5}{14}\right)\) | \(e\left(\frac{11}{28}\right)\) | \(e\left(\frac{1}{7}\right)\) | \(e\left(\frac{5}{28}\right)\) | \(e\left(\frac{9}{28}\right)\) | \(e\left(\frac{13}{28}\right)\) | \(e\left(\frac{4}{7}\right)\) | \(1\) |
sage: chi.jacobi_sum(n)