from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(3960, base_ring=CyclotomicField(20))
M = H._module
chi = DirichletCharacter(H, M([0,10,0,15,6]))
pari: [g,chi] = znchar(Mod(613,3960))
Basic properties
| Modulus: | \(3960\) | |
| Conductor: | \(440\) | sage: chi.conductor()
pari: znconreyconductor(g,chi)
|
| Order: | \(20\) | sage: chi.multiplicative_order()
pari: charorder(g,chi)
|
| Real: | no | |
| Primitive: | no, induced from \(\chi_{440}(173,\cdot)\) | sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1
|
| Minimal: | yes | |
| Parity: | even | sage: chi.is_odd()
pari: zncharisodd(g,chi)
|
Galois orbit 3960.fm
\(\chi_{3960}(613,\cdot)\) \(\chi_{3960}(1117,\cdot)\) \(\chi_{3960}(1333,\cdot)\) \(\chi_{3960}(2053,\cdot)\) \(\chi_{3960}(2197,\cdot)\) \(\chi_{3960}(2917,\cdot)\) \(\chi_{3960}(3493,\cdot)\) \(\chi_{3960}(3637,\cdot)\)
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: | 20.20.182187370528513441169408000000000000000.1 |
Values on generators
\((991,1981,3521,2377,2521)\) → \((1,-1,1,-i,e\left(\frac{3}{10}\right))\)
First values
| \(a\) | \(-1\) | \(1\) | \(7\) | \(13\) | \(17\) | \(19\) | \(23\) | \(29\) | \(31\) | \(37\) | \(41\) | \(43\) |
| \( \chi_{ 3960 }(613, a) \) | \(1\) | \(1\) | \(e\left(\frac{17}{20}\right)\) | \(e\left(\frac{1}{20}\right)\) | \(e\left(\frac{9}{20}\right)\) | \(e\left(\frac{9}{10}\right)\) | \(i\) | \(e\left(\frac{1}{10}\right)\) | \(e\left(\frac{4}{5}\right)\) | \(e\left(\frac{17}{20}\right)\) | \(e\left(\frac{9}{10}\right)\) | \(i\) |
sage: chi.jacobi_sum(n)