Properties

Label 8023.638
Modulus $8023$
Conductor $8023$
Order $16$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8023, base_ring=CyclotomicField(16))
 
M = H._module
 
chi = DirichletCharacter(H, M([8,9]))
 
pari: [g,chi] = znchar(Mod(638,8023))
 

Basic properties

Modulus: \(8023\)
Conductor: \(8023\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(16\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 8023.bt

\(\chi_{8023}(638,\cdot)\) \(\chi_{8023}(2413,\cdot)\) \(\chi_{8023}(4259,\cdot)\) \(\chi_{8023}(4472,\cdot)\) \(\chi_{8023}(5466,\cdot)\) \(\chi_{8023}(5608,\cdot)\) \(\chi_{8023}(6602,\cdot)\) \(\chi_{8023}(6815,\cdot)\)

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: Number field defined by a degree 16 polynomial

Values on generators

\((6894,3054)\) → \((-1,e\left(\frac{9}{16}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 8023 }(638, a) \) \(1\)\(1\)\(-i\)\(e\left(\frac{9}{16}\right)\)\(-1\)\(e\left(\frac{11}{16}\right)\)\(e\left(\frac{5}{16}\right)\)\(1\)\(i\)\(e\left(\frac{1}{8}\right)\)\(e\left(\frac{7}{16}\right)\)\(e\left(\frac{1}{8}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8023 }(638,a) \;\) at \(\;a = \) e.g. 2