Properties

Label 531.4
Modulus $531$
Conductor $531$
Order $87$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(531, base_ring=CyclotomicField(174))
 
M = H._module
 
chi = DirichletCharacter(H, M([58,6]))
 
pari: [g,chi] = znchar(Mod(4,531))
 

Basic properties

Modulus: \(531\)
Conductor: \(531\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(87\)
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 531.m

\(\chi_{531}(4,\cdot)\) \(\chi_{531}(7,\cdot)\) \(\chi_{531}(16,\cdot)\) \(\chi_{531}(22,\cdot)\) \(\chi_{531}(25,\cdot)\) \(\chi_{531}(49,\cdot)\) \(\chi_{531}(76,\cdot)\) \(\chi_{531}(79,\cdot)\) \(\chi_{531}(85,\cdot)\) \(\chi_{531}(88,\cdot)\) \(\chi_{531}(94,\cdot)\) \(\chi_{531}(112,\cdot)\) \(\chi_{531}(121,\cdot)\) \(\chi_{531}(130,\cdot)\) \(\chi_{531}(133,\cdot)\) \(\chi_{531}(139,\cdot)\) \(\chi_{531}(166,\cdot)\) \(\chi_{531}(169,\cdot)\) \(\chi_{531}(175,\cdot)\) \(\chi_{531}(184,\cdot)\) \(\chi_{531}(193,\cdot)\) \(\chi_{531}(196,\cdot)\) \(\chi_{531}(202,\cdot)\) \(\chi_{531}(205,\cdot)\) \(\chi_{531}(223,\cdot)\) \(\chi_{531}(241,\cdot)\) \(\chi_{531}(256,\cdot)\) \(\chi_{531}(265,\cdot)\) \(\chi_{531}(277,\cdot)\) \(\chi_{531}(304,\cdot)\) ...

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: $\Q(\zeta_{87})$
Fixed field: Number field defined by a degree 87 polynomial

Values on generators

\((119,415)\) → \((e\left(\frac{1}{3}\right),e\left(\frac{1}{29}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(5\)\(7\)\(8\)\(10\)\(11\)\(13\)\(14\)\(16\)
\( \chi_{ 531 }(4, a) \) \(1\)\(1\)\(e\left(\frac{32}{87}\right)\)\(e\left(\frac{64}{87}\right)\)\(e\left(\frac{76}{87}\right)\)\(e\left(\frac{83}{87}\right)\)\(e\left(\frac{3}{29}\right)\)\(e\left(\frac{7}{29}\right)\)\(e\left(\frac{17}{87}\right)\)\(e\left(\frac{19}{87}\right)\)\(e\left(\frac{28}{87}\right)\)\(e\left(\frac{41}{87}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 531 }(4,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 531 }(4,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 531 }(4,·),\chi_{ 531 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 531 }(4,·)) \;\) at \(\; a,b = \) e.g. 1,2