Properties

Label 637.5
Modulus $637$
Conductor $637$
Order $84$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(637, base_ring=CyclotomicField(84))
 
M = H._module
 
chi = DirichletCharacter(H, M([58,63]))
 
pari: [g,chi] = znchar(Mod(5,637))
 

Basic properties

Modulus: \(637\)
Conductor: \(637\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(84\)
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 637.cc

\(\chi_{637}(5,\cdot)\) \(\chi_{637}(47,\cdot)\) \(\chi_{637}(73,\cdot)\) \(\chi_{637}(96,\cdot)\) \(\chi_{637}(122,\cdot)\) \(\chi_{637}(138,\cdot)\) \(\chi_{637}(164,\cdot)\) \(\chi_{637}(187,\cdot)\) \(\chi_{637}(213,\cdot)\) \(\chi_{637}(229,\cdot)\) \(\chi_{637}(255,\cdot)\) \(\chi_{637}(278,\cdot)\) \(\chi_{637}(304,\cdot)\) \(\chi_{637}(320,\cdot)\) \(\chi_{637}(346,\cdot)\) \(\chi_{637}(369,\cdot)\) \(\chi_{637}(395,\cdot)\) \(\chi_{637}(437,\cdot)\) \(\chi_{637}(486,\cdot)\) \(\chi_{637}(502,\cdot)\) \(\chi_{637}(528,\cdot)\) \(\chi_{637}(551,\cdot)\) \(\chi_{637}(577,\cdot)\) \(\chi_{637}(593,\cdot)\)

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: $\Q(\zeta_{84})$
Fixed field: Number field defined by a degree 84 polynomial

Values on generators

\((248,197)\) → \((e\left(\frac{29}{42}\right),-i)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(8\)\(9\)\(10\)\(11\)\(12\)
\( \chi_{ 637 }(5, a) \) \(1\)\(1\)\(e\left(\frac{59}{84}\right)\)\(e\left(\frac{29}{42}\right)\)\(e\left(\frac{17}{42}\right)\)\(e\left(\frac{65}{84}\right)\)\(e\left(\frac{11}{28}\right)\)\(e\left(\frac{3}{28}\right)\)\(e\left(\frac{8}{21}\right)\)\(e\left(\frac{10}{21}\right)\)\(e\left(\frac{73}{84}\right)\)\(e\left(\frac{2}{21}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 637 }(5,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 637 }(5,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 637 }(5,·),\chi_{ 637 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 637 }(5,·)) \;\) at \(\; a,b = \) e.g. 1,2