from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(9408, base_ring=CyclotomicField(28))
M = H._module
chi = DirichletCharacter(H, M([0,21,14,22]))
pari: [g,chi] = znchar(Mod(209,9408))
Basic properties
| Modulus: | \(9408\) | |
| Conductor: | \(2352\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(28\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{2352}(797,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | no | |
| Parity: | even | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 9408.dl
\(\chi_{9408}(209,\cdot)\) \(\chi_{9408}(1553,\cdot)\) \(\chi_{9408}(2225,\cdot)\) \(\chi_{9408}(2897,\cdot)\) \(\chi_{9408}(3569,\cdot)\) \(\chi_{9408}(4241,\cdot)\) \(\chi_{9408}(4913,\cdot)\) \(\chi_{9408}(6257,\cdot)\) \(\chi_{9408}(6929,\cdot)\) \(\chi_{9408}(7601,\cdot)\) \(\chi_{9408}(8273,\cdot)\) \(\chi_{9408}(8945,\cdot)\)
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: | 28.28.1299897872366841427508224117886275845758999455352318474379428852957970432.1 |
Values on generators
\((1471,6469,3137,4609)\) → \((1,-i,-1,e\left(\frac{11}{14}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(5\) | \(11\) | \(13\) | \(17\) | \(19\) | \(23\) | \(25\) | \(29\) | \(31\) | \(37\) |
| \( \chi_{ 9408 }(209, a) \) | \(1\) | \(1\) | \(e\left(\frac{1}{28}\right)\) | \(e\left(\frac{19}{28}\right)\) | \(e\left(\frac{5}{28}\right)\) | \(e\left(\frac{1}{7}\right)\) | \(-i\) | \(e\left(\frac{6}{7}\right)\) | \(e\left(\frac{1}{14}\right)\) | \(e\left(\frac{25}{28}\right)\) | \(-1\) | \(e\left(\frac{25}{28}\right)\) |
sage: chi.jacobi_sum(n)