Properties

Label 637.37
Modulus $637$
Conductor $637$
Order $84$
Real no
Primitive yes
Minimal yes
Parity odd

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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([64,49]))
 
pari: [g,chi] = znchar(Mod(37,637))
 

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: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 637.cg

\(\chi_{637}(2,\cdot)\) \(\chi_{637}(32,\cdot)\) \(\chi_{637}(37,\cdot)\) \(\chi_{637}(46,\cdot)\) \(\chi_{637}(93,\cdot)\) \(\chi_{637}(123,\cdot)\) \(\chi_{637}(137,\cdot)\) \(\chi_{637}(184,\cdot)\) \(\chi_{637}(219,\cdot)\) \(\chi_{637}(228,\cdot)\) \(\chi_{637}(305,\cdot)\) \(\chi_{637}(310,\cdot)\) \(\chi_{637}(319,\cdot)\) \(\chi_{637}(366,\cdot)\) \(\chi_{637}(396,\cdot)\) \(\chi_{637}(401,\cdot)\) \(\chi_{637}(457,\cdot)\) \(\chi_{637}(487,\cdot)\) \(\chi_{637}(492,\cdot)\) \(\chi_{637}(501,\cdot)\) \(\chi_{637}(548,\cdot)\) \(\chi_{637}(578,\cdot)\) \(\chi_{637}(583,\cdot)\) \(\chi_{637}(592,\cdot)\)

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

\((248,197)\) → \((e\left(\frac{16}{21}\right),e\left(\frac{7}{12}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(8\)\(9\)\(10\)\(11\)\(12\)
\( \chi_{ 637 }(37, a) \) \(-1\)\(1\)\(e\left(\frac{11}{28}\right)\)\(e\left(\frac{2}{21}\right)\)\(e\left(\frac{11}{14}\right)\)\(e\left(\frac{29}{84}\right)\)\(e\left(\frac{41}{84}\right)\)\(e\left(\frac{5}{28}\right)\)\(e\left(\frac{4}{21}\right)\)\(e\left(\frac{31}{42}\right)\)\(e\left(\frac{47}{84}\right)\)\(e\left(\frac{37}{42}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 637 }(37,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 637 }(37,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 637 }(37,·),\chi_{ 637 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 637 }(37,·)) \;\) at \(\; a,b = \) e.g. 1,2