Properties

Label 690.j
Modulus $690$
Conductor $115$
Order $4$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(690, base_ring=CyclotomicField(4))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,1,2]))
 
chi.galois_orbit()
 
[g,chi] = znchar(Mod(367,690))
 
order = charorder(g,chi)
 
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Basic properties

Modulus: \(690\)
Conductor: \(115\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(4\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from 115.e
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Related number fields

Field of values: \(\Q(\sqrt{-1}) \)
Fixed field: 4.4.66125.1

Characters in Galois orbit

Character \(-1\) \(1\) \(7\) \(11\) \(13\) \(17\) \(19\) \(29\) \(31\) \(37\) \(41\) \(43\)
\(\chi_{690}(367,\cdot)\) \(1\) \(1\) \(-i\) \(-1\) \(-i\) \(-i\) \(1\) \(-1\) \(1\) \(-i\) \(1\) \(i\)
\(\chi_{690}(643,\cdot)\) \(1\) \(1\) \(i\) \(-1\) \(i\) \(i\) \(1\) \(-1\) \(1\) \(i\) \(1\) \(-i\)