Properties

Label 262.3
Modulus $262$
Conductor $131$
Order $65$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(262, base_ring=CyclotomicField(130))
 
M = H._module
 
chi = DirichletCharacter(H, M([72]))
 
pari: [g,chi] = znchar(Mod(3,262))
 

Basic properties

Modulus: \(262\)
Conductor: \(131\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(65\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{131}(3,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 262.g

\(\chi_{262}(3,\cdot)\) \(\chi_{262}(5,\cdot)\) \(\chi_{262}(7,\cdot)\) \(\chi_{262}(9,\cdot)\) \(\chi_{262}(11,\cdot)\) \(\chi_{262}(13,\cdot)\) \(\chi_{262}(15,\cdot)\) \(\chi_{262}(21,\cdot)\) \(\chi_{262}(25,\cdot)\) \(\chi_{262}(27,\cdot)\) \(\chi_{262}(33,\cdot)\) \(\chi_{262}(35,\cdot)\) \(\chi_{262}(41,\cdot)\) \(\chi_{262}(43,\cdot)\) \(\chi_{262}(49,\cdot)\) \(\chi_{262}(55,\cdot)\) \(\chi_{262}(59,\cdot)\) \(\chi_{262}(65,\cdot)\) \(\chi_{262}(75,\cdot)\) \(\chi_{262}(77,\cdot)\) \(\chi_{262}(81,\cdot)\) \(\chi_{262}(91,\cdot)\) \(\chi_{262}(101,\cdot)\) \(\chi_{262}(105,\cdot)\) \(\chi_{262}(109,\cdot)\) \(\chi_{262}(117,\cdot)\) \(\chi_{262}(121,\cdot)\) \(\chi_{262}(123,\cdot)\) \(\chi_{262}(125,\cdot)\) \(\chi_{262}(129,\cdot)\) ...

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: $\Q(\zeta_{65})$
Fixed field: Number field defined by a degree 65 polynomial

Values on generators

\(133\) → \(e\left(\frac{36}{65}\right)\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(21\)
\( \chi_{ 262 }(3, a) \) \(1\)\(1\)\(e\left(\frac{57}{65}\right)\)\(e\left(\frac{31}{65}\right)\)\(e\left(\frac{11}{65}\right)\)\(e\left(\frac{49}{65}\right)\)\(e\left(\frac{1}{65}\right)\)\(e\left(\frac{63}{65}\right)\)\(e\left(\frac{23}{65}\right)\)\(e\left(\frac{53}{65}\right)\)\(e\left(\frac{5}{13}\right)\)\(e\left(\frac{3}{65}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 262 }(3,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 262 }(3,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 262 }(3,·),\chi_{ 262 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 262 }(3,·)) \;\) at \(\; a,b = \) e.g. 1,2