Properties

Label 4080.1577
Modulus $4080$
Conductor $2040$
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([0,2,2,1,1]))
 
pari: [g,chi] = znchar(Mod(1577,4080))
 

Basic properties

Modulus: \(4080\)
Conductor: \(2040\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(4\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{2040}(557,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4080.ex

\(\chi_{4080}(1577,\cdot)\) \(\chi_{4080}(3353,\cdot)\)

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: 4.4.353736000.1

Values on generators

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

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 4080 }(1577, a) \) \(1\)\(1\)\(1\)\(-i\)\(i\)\(-1\)\(1\)\(-i\)\(i\)\(1\)\(i\)\(-i\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4080 }(1577,a) \;\) at \(\;a = \) e.g. 2