Properties

Label 316.47
Modulus $316$
Conductor $316$
Order $78$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(316, base_ring=CyclotomicField(78))
 
M = H._module
 
chi = DirichletCharacter(H, M([39,59]))
 
pari: [g,chi] = znchar(Mod(47,316))
 

Basic properties

Modulus: \(316\)
Conductor: \(316\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(78\)
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 316.p

\(\chi_{316}(3,\cdot)\) \(\chi_{316}(7,\cdot)\) \(\chi_{316}(35,\cdot)\) \(\chi_{316}(39,\cdot)\) \(\chi_{316}(43,\cdot)\) \(\chi_{316}(47,\cdot)\) \(\chi_{316}(59,\cdot)\) \(\chi_{316}(63,\cdot)\) \(\chi_{316}(75,\cdot)\) \(\chi_{316}(107,\cdot)\) \(\chi_{316}(127,\cdot)\) \(\chi_{316}(139,\cdot)\) \(\chi_{316}(147,\cdot)\) \(\chi_{316}(187,\cdot)\) \(\chi_{316}(195,\cdot)\) \(\chi_{316}(211,\cdot)\) \(\chi_{316}(235,\cdot)\) \(\chi_{316}(243,\cdot)\) \(\chi_{316}(267,\cdot)\) \(\chi_{316}(271,\cdot)\) \(\chi_{316}(291,\cdot)\) \(\chi_{316}(303,\cdot)\) \(\chi_{316}(307,\cdot)\) \(\chi_{316}(311,\cdot)\)

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: $\Q(\zeta_{39})$
Fixed field: Number field defined by a degree 78 polynomial

Values on generators

\((159,161)\) → \((-1,e\left(\frac{59}{78}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(21\)
\( \chi_{ 316 }(47, a) \) \(1\)\(1\)\(e\left(\frac{10}{39}\right)\)\(e\left(\frac{35}{39}\right)\)\(e\left(\frac{23}{39}\right)\)\(e\left(\frac{20}{39}\right)\)\(e\left(\frac{73}{78}\right)\)\(e\left(\frac{28}{39}\right)\)\(e\left(\frac{2}{13}\right)\)\(e\left(\frac{23}{26}\right)\)\(e\left(\frac{55}{78}\right)\)\(e\left(\frac{11}{13}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 316 }(47,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 316 }(47,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 316 }(47,·),\chi_{ 316 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 316 }(47,·)) \;\) at \(\; a,b = \) e.g. 1,2