Properties

Label 260.103
Modulus $260$
Conductor $260$
Order $4$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: Pari/GP / SageMath
sage: from sage.modular.dirichlet import DirichletCharacter
 
sage: H = DirichletGroup(260, base_ring=CyclotomicField(4))
 
sage: M = H._module
 
sage: chi = DirichletCharacter(H, M([2,3,2]))
 
pari: [g,chi] = znchar(Mod(103,260))
 

Basic properties

Modulus: \(260\)
Conductor: \(260\)
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 260.p

\(\chi_{260}(103,\cdot)\) \(\chi_{260}(207,\cdot)\)

sage: chi.galois_orbit()
 
pari: order = charorder(g,chi)
 
pari: [ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Related number fields

Field of values: \(\Q(\sqrt{-1}) \)
Fixed field: 4.4.338000.1

Values on generators

\((131,157,41)\) → \((-1,-i,-1)\)

Values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(17\)\(19\)\(21\)\(23\)\(27\)\(29\)
\( \chi_{ 260 }(103, a) \) \(1\)\(1\)\(-i\)\(-i\)\(-1\)\(1\)\(-i\)\(-1\)\(-1\)\(-i\)\(i\)\(-1\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 260 }(103,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 260 }(103,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 260 }(103,·),\chi_{ 260 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 260 }(103,·)) \;\) at \(\; a,b = \) e.g. 1,2