from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(4100, base_ring=CyclotomicField(20))
M = H._module
chi = DirichletCharacter(H, M([10,5,2]))
pari: [g,chi] = znchar(Mod(107,4100))
Basic properties
Modulus: | \(4100\) | |
Conductor: | \(820\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
Order: | \(20\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
Real: | no | |
Primitive: | no, induced from \(\chi_{820}(107,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
Minimal: | no | |
Parity: | even | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 4100.dk
\(\chi_{4100}(107,\cdot)\) \(\chi_{4100}(843,\cdot)\) \(\chi_{4100}(1007,\cdot)\) \(\chi_{4100}(1343,\cdot)\) \(\chi_{4100}(1507,\cdot)\) \(\chi_{4100}(3243,\cdot)\) \(\chi_{4100}(3407,\cdot)\) \(\chi_{4100}(4043,\cdot)\)
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: | 20.20.3429725790961017099403304624672000000000000000.1 |
Values on generators
\((2051,1477,3901)\) → \((-1,i,e\left(\frac{1}{10}\right))\)
First values
\(a\) | \(-1\) | \(1\) | \(3\) | \(7\) | \(9\) | \(11\) | \(13\) | \(17\) | \(19\) | \(21\) | \(23\) | \(27\) |
\( \chi_{ 4100 }(107, a) \) | \(1\) | \(1\) | \(-i\) | \(e\left(\frac{13}{20}\right)\) | \(-1\) | \(e\left(\frac{4}{5}\right)\) | \(e\left(\frac{17}{20}\right)\) | \(e\left(\frac{11}{20}\right)\) | \(e\left(\frac{9}{10}\right)\) | \(e\left(\frac{2}{5}\right)\) | \(e\left(\frac{17}{20}\right)\) | \(i\) |
sage: chi.jacobi_sum(n)