from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(2205, base_ring=CyclotomicField(42))
M = H._module
chi = DirichletCharacter(H, M([0,21,40]))
pari: [g,chi] = znchar(Mod(109,2205))
Basic properties
| Modulus: | \(2205\) | |
| Conductor: | \(245\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(42\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{245}(109,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | yes | |
| Parity: | even | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 2205.dk
\(\chi_{2205}(109,\cdot)\) \(\chi_{2205}(289,\cdot)\) \(\chi_{2205}(424,\cdot)\) \(\chi_{2205}(604,\cdot)\) \(\chi_{2205}(739,\cdot)\) \(\chi_{2205}(919,\cdot)\) \(\chi_{2205}(1054,\cdot)\) \(\chi_{2205}(1234,\cdot)\) \(\chi_{2205}(1369,\cdot)\) \(\chi_{2205}(1864,\cdot)\) \(\chi_{2205}(1999,\cdot)\) \(\chi_{2205}(2179,\cdot)\)
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: | 42.42.8050468075656610214837511220114705524038488445061950919170859146595001220703125.1 |
Values on generators
\((1226,442,1081)\) → \((1,-1,e\left(\frac{20}{21}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(2\) | \(4\) | \(8\) | \(11\) | \(13\) | \(16\) | \(17\) | \(19\) | \(22\) | \(23\) |
| \( \chi_{ 2205 }(109, a) \) | \(1\) | \(1\) | \(e\left(\frac{11}{42}\right)\) | \(e\left(\frac{11}{21}\right)\) | \(e\left(\frac{11}{14}\right)\) | \(e\left(\frac{2}{21}\right)\) | \(e\left(\frac{13}{14}\right)\) | \(e\left(\frac{1}{21}\right)\) | \(e\left(\frac{13}{42}\right)\) | \(e\left(\frac{1}{3}\right)\) | \(e\left(\frac{5}{14}\right)\) | \(e\left(\frac{29}{42}\right)\) |
sage: chi.jacobi_sum(n)