Properties

Label 4080.1937
Modulus $4080$
Conductor $255$
Order $4$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4080, base_ring=CyclotomicField(4))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,0,2,1,2]))
 
pari: [g,chi] = znchar(Mod(1937,4080))
 

Basic properties

Modulus: \(4080\)
Conductor: \(255\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(4\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{255}(152,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4080.ea

\(\chi_{4080}(1937,\cdot)\) \(\chi_{4080}(2753,\cdot)\)

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: \(\Q(\sqrt{-1}) \)
Fixed field: 4.4.325125.1

Values on generators

\((511,3061,1361,817,241)\) → \((1,1,-1,i,-1)\)

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 4080 }(1937, a) \) \(1\)\(1\)\(-i\)\(1\)\(-i\)\(-1\)\(-i\)\(-1\)\(-1\)\(-i\)\(1\)\(-i\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4080 }(1937,a) \;\) at \(\;a = \) e.g. 2