Properties

Label 1925.43
Modulus $1925$
Conductor $55$
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(1925, base_ring=CyclotomicField(4))
 
M = H._module
 
chi = DirichletCharacter(H, M([3,0,2]))
 
pari: [g,chi] = znchar(Mod(43,1925))
 

Basic properties

Modulus: \(1925\)
Conductor: \(55\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(4\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{55}(43,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1925.k

\(\chi_{1925}(43,\cdot)\) \(\chi_{1925}(582,\cdot)\)

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: 4.4.15125.1

Values on generators

\((1002,276,1751)\) → \((-i,1,-1)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(8\)\(9\)\(12\)\(13\)\(16\)\(17\)
\( \chi_{ 1925 }(43, a) \) \(1\)\(1\)\(i\)\(i\)\(-1\)\(-1\)\(-i\)\(-1\)\(-i\)\(-i\)\(1\)\(i\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1925 }(43,a) \;\) at \(\;a = \) e.g. 2