Properties

Label 664.643
Modulus $664$
Conductor $664$
Order $82$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(664, base_ring=CyclotomicField(82))
 
M = H._module
 
chi = DirichletCharacter(H, M([41,41,39]))
 
pari: [g,chi] = znchar(Mod(643,664))
 

Basic properties

Modulus: \(664\)
Conductor: \(664\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(82\)
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 664.j

\(\chi_{664}(19,\cdot)\) \(\chi_{664}(35,\cdot)\) \(\chi_{664}(43,\cdot)\) \(\chi_{664}(67,\cdot)\) \(\chi_{664}(91,\cdot)\) \(\chi_{664}(107,\cdot)\) \(\chi_{664}(115,\cdot)\) \(\chi_{664}(139,\cdot)\) \(\chi_{664}(155,\cdot)\) \(\chi_{664}(163,\cdot)\) \(\chi_{664}(171,\cdot)\) \(\chi_{664}(179,\cdot)\) \(\chi_{664}(211,\cdot)\) \(\chi_{664}(219,\cdot)\) \(\chi_{664}(251,\cdot)\) \(\chi_{664}(267,\cdot)\) \(\chi_{664}(283,\cdot)\) \(\chi_{664}(291,\cdot)\) \(\chi_{664}(299,\cdot)\) \(\chi_{664}(307,\cdot)\) \(\chi_{664}(315,\cdot)\) \(\chi_{664}(323,\cdot)\) \(\chi_{664}(347,\cdot)\) \(\chi_{664}(371,\cdot)\) \(\chi_{664}(379,\cdot)\) \(\chi_{664}(387,\cdot)\) \(\chi_{664}(403,\cdot)\) \(\chi_{664}(411,\cdot)\) \(\chi_{664}(435,\cdot)\) \(\chi_{664}(467,\cdot)\) ...

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: $\Q(\zeta_{41})$
Fixed field: Number field defined by a degree 82 polynomial

Values on generators

\((167,333,417)\) → \((-1,-1,e\left(\frac{39}{82}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(21\)
\( \chi_{ 664 }(643, a) \) \(1\)\(1\)\(e\left(\frac{10}{41}\right)\)\(e\left(\frac{14}{41}\right)\)\(e\left(\frac{25}{82}\right)\)\(e\left(\frac{20}{41}\right)\)\(e\left(\frac{17}{41}\right)\)\(e\left(\frac{5}{41}\right)\)\(e\left(\frac{24}{41}\right)\)\(e\left(\frac{26}{41}\right)\)\(e\left(\frac{29}{82}\right)\)\(e\left(\frac{45}{82}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 664 }(643,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 664 }(643,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 664 }(643,·),\chi_{ 664 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 664 }(643,·)) \;\) at \(\; a,b = \) e.g. 1,2