from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(4100, base_ring=CyclotomicField(20))
M = H._module
chi = DirichletCharacter(H, M([0,10,19]))
pari: [g,chi] = znchar(Mod(49,4100))
Basic properties
| Modulus: | \(4100\) | |
| Conductor: | \(205\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(20\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{205}(49,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | no | |
| Parity: | even | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 4100.do
\(\chi_{4100}(49,\cdot)\) \(\chi_{4100}(349,\cdot)\) \(\chi_{4100}(449,\cdot)\) \(\chi_{4100}(2749,\cdot)\) \(\chi_{4100}(2849,\cdot)\) \(\chi_{4100}(3149,\cdot)\) \(\chi_{4100}(3449,\cdot)\) \(\chi_{4100}(3849,\cdot)\)
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: | \(\Q(\zeta_{20})\) |
| Fixed field: | 20.20.42913439156921905845805508304306640625.1 |
Values on generators
\((2051,1477,3901)\) → \((1,-1,e\left(\frac{19}{20}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(3\) | \(7\) | \(9\) | \(11\) | \(13\) | \(17\) | \(19\) | \(21\) | \(23\) | \(27\) |
| \( \chi_{ 4100 }(49, a) \) | \(1\) | \(1\) | \(-i\) | \(e\left(\frac{11}{20}\right)\) | \(-1\) | \(e\left(\frac{17}{20}\right)\) | \(e\left(\frac{19}{20}\right)\) | \(e\left(\frac{17}{20}\right)\) | \(e\left(\frac{11}{20}\right)\) | \(e\left(\frac{3}{10}\right)\) | \(e\left(\frac{7}{10}\right)\) | \(i\) |
sage: chi.jacobi_sum(n)