Properties

Label 6400.2143
Modulus $6400$
Conductor $160$
Order $8$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(6400, base_ring=CyclotomicField(8))
 
M = H._module
 
chi = DirichletCharacter(H, M([4,3,6]))
 
pari: [g,chi] = znchar(Mod(2143,6400))
 

Basic properties

Modulus: \(6400\)
Conductor: \(160\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(8\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{160}(3,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 6400.bb

\(\chi_{6400}(2143,\cdot)\) \(\chi_{6400}(2207,\cdot)\) \(\chi_{6400}(5343,\cdot)\) \(\chi_{6400}(5407,\cdot)\)

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: \(\Q(\zeta_{8})\)
Fixed field: 8.8.33554432000000.1

Values on generators

\((4351,4101,5377)\) → \((-1,e\left(\frac{3}{8}\right),-i)\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)
\( \chi_{ 6400 }(2143, a) \) \(1\)\(1\)\(e\left(\frac{7}{8}\right)\)\(1\)\(-i\)\(e\left(\frac{3}{8}\right)\)\(e\left(\frac{7}{8}\right)\)\(i\)\(e\left(\frac{5}{8}\right)\)\(e\left(\frac{7}{8}\right)\)\(1\)\(e\left(\frac{5}{8}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 6400 }(2143,a) \;\) at \(\;a = \) e.g. 2