Properties

Label 325.57
Modulus $325$
Conductor $65$
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(325, base_ring=CyclotomicField(4))
 
M = H._module
 
chi = DirichletCharacter(H, M([1,3]))
 
pari: [g,chi] = znchar(Mod(57,325))
 

Basic properties

Modulus: \(325\)
Conductor: \(65\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(4\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{65}(57,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 325.k

\(\chi_{325}(57,\cdot)\) \(\chi_{325}(268,\cdot)\)

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: 4.4.274625.1

Values on generators

\((27,301)\) → \((i,-i)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(11\)\(12\)\(14\)
\( \chi_{ 325 }(57, a) \) \(1\)\(1\)\(1\)\(-i\)\(1\)\(-i\)\(-1\)\(1\)\(-1\)\(i\)\(-i\)\(-1\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 325 }(57,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 325 }(57,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 325 }(57,·),\chi_{ 325 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 325 }(57,·)) \;\) at \(\; a,b = \) e.g. 1,2