Properties

Label 1140.227
Modulus $1140$
Conductor $1140$
Order $4$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1140, base_ring=CyclotomicField(4))
 
M = H._module
 
chi = DirichletCharacter(H, M([2,2,1,2]))
 
pari: [g,chi] = znchar(Mod(227,1140))
 

Basic properties

Modulus: \(1140\)
Conductor: \(1140\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(4\)
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 1140.w

\(\chi_{1140}(227,\cdot)\) \(\chi_{1140}(683,\cdot)\)

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: \(\mathbb{Q}(i)\)
Fixed field: 4.4.6498000.1

Values on generators

\((571,761,457,781)\) → \((-1,-1,i,-1)\)

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(17\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 1140 }(227, a) \) \(1\)\(1\)\(-i\)\(1\)\(i\)\(-i\)\(-i\)\(-1\)\(1\)\(-i\)\(1\)\(i\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1140 }(227,a) \;\) at \(\;a = \) e.g. 2