from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(6720, base_ring=CyclotomicField(16))
M = H._module
chi = DirichletCharacter(H, M([0,9,0,0,0]))
pari: [g,chi] = znchar(Mod(421,6720))
Basic properties
| Modulus: | \(6720\) | |
| Conductor: | \(64\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(16\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{64}(37,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | yes | |
| Parity: | even | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 6720.hv
\(\chi_{6720}(421,\cdot)\) \(\chi_{6720}(1261,\cdot)\) \(\chi_{6720}(2101,\cdot)\) \(\chi_{6720}(2941,\cdot)\) \(\chi_{6720}(3781,\cdot)\) \(\chi_{6720}(4621,\cdot)\) \(\chi_{6720}(5461,\cdot)\) \(\chi_{6720}(6301,\cdot)\)
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: | \(\Q(\zeta_{16})\) |
| Fixed field: | \(\Q(\zeta_{64})^+\) |
Values on generators
\((1471,3781,4481,5377,1921)\) → \((1,e\left(\frac{9}{16}\right),1,1,1)\)
First values
| \(a\) | \(-1\) | \(1\) | \(11\) | \(13\) | \(17\) | \(19\) | \(23\) | \(29\) | \(31\) | \(37\) | \(41\) | \(43\) |
| \( \chi_{ 6720 }(421, a) \) | \(1\) | \(1\) | \(e\left(\frac{13}{16}\right)\) | \(e\left(\frac{7}{16}\right)\) | \(-i\) | \(e\left(\frac{15}{16}\right)\) | \(e\left(\frac{7}{8}\right)\) | \(e\left(\frac{3}{16}\right)\) | \(-1\) | \(e\left(\frac{1}{16}\right)\) | \(e\left(\frac{7}{8}\right)\) | \(e\left(\frac{5}{16}\right)\) |
sage: chi.jacobi_sum(n)