Properties

Label 8002.2031
Modulus $8002$
Conductor $4001$
Order $16$
Real no
Primitive no
Minimal yes
Parity even

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8002, base_ring=CyclotomicField(16))
 
M = H._module
 
chi = DirichletCharacter(H, M([3]))
 
pari: [g,chi] = znchar(Mod(2031,8002))
 

Basic properties

Modulus: \(8002\)
Conductor: \(4001\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(16\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{4001}(2031,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 8002.g

\(\chi_{8002}(1115,\cdot)\) \(\chi_{8002}(1413,\cdot)\) \(\chi_{8002}(2031,\cdot)\) \(\chi_{8002}(2135,\cdot)\) \(\chi_{8002}(5867,\cdot)\) \(\chi_{8002}(5971,\cdot)\) \(\chi_{8002}(6589,\cdot)\) \(\chi_{8002}(6887,\cdot)\)

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

\(3\) → \(e\left(\frac{3}{16}\right)\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(21\)
\( \chi_{ 8002 }(2031, a) \) \(1\)\(1\)\(e\left(\frac{3}{16}\right)\)\(i\)\(-i\)\(e\left(\frac{3}{8}\right)\)\(e\left(\frac{3}{16}\right)\)\(-i\)\(e\left(\frac{7}{16}\right)\)\(e\left(\frac{5}{16}\right)\)\(-i\)\(e\left(\frac{15}{16}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8002 }(2031,a) \;\) at \(\;a = \) e.g. 2