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Properties

Label 479.148
Modulus $479$
Conductor $479$
Order $478$
Real no
Primitive yes
Minimal yes
Parity odd

Related objects

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Show commands: Magma / Pari/GP / SageMath
Copy content comment:Define the Dirichlet character
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(479, base_ring=CyclotomicField(478)) M = H._module chi = DirichletCharacter(H, M([129]))
 
Copy content gp:[g,chi] = znchar(Mod(148, 479))
 
Copy content magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("479.148");
 

Basic properties

Modulus: \(479\)
Copy content comment:Modulus
 
Copy content sage:chi.modulus()
 
Copy content gp:g[1][1]
 
Copy content magma:Modulus(chi);
 
Conductor: \(479\)
Copy content comment:Conductor
 
Copy content sage:chi.conductor()
 
Copy content gp:znconreyconductor(g,chi)
 
Copy content magma:Conductor(chi);
 
Order: \(478\)
Copy content comment:Order
 
Copy content sage:chi.multiplicative_order()
 
Copy content gp:charorder(g,chi)
 
Copy content magma:Order(chi);
 
Real: no
Copy content comment:Whether the character is real
 
Copy content sage:chi.multiplicative_order() <= 2
 
Copy content gp:charorder(g,chi) <= 2
 
Copy content magma:Order(chi) le 2;
 
Primitive: yes
Copy content comment:If the character is primitive
 
Copy content sage:chi.is_primitive()
 
Copy content gp:#znconreyconductor(g,chi)==1
 
Copy content magma:IsPrimitive(chi);
 
Minimal: yes
Parity: odd
Copy content comment:Parity
 
Copy content sage:chi.is_odd()
 
Copy content gp:zncharisodd(g,chi)
 
Copy content magma:IsOdd(chi);
 

Galois orbit 479.d

\(\chi_{479}(13,\cdot)\) \(\chi_{479}(17,\cdot)\) \(\chi_{479}(19,\cdot)\) \(\chi_{479}(26,\cdot)\) \(\chi_{479}(29,\cdot)\) \(\chi_{479}(31,\cdot)\) \(\chi_{479}(34,\cdot)\) \(\chi_{479}(37,\cdot)\) \(\chi_{479}(38,\cdot)\) \(\chi_{479}(39,\cdot)\) \(\chi_{479}(41,\cdot)\) \(\chi_{479}(43,\cdot)\) \(\chi_{479}(47,\cdot)\) \(\chi_{479}(51,\cdot)\) \(\chi_{479}(52,\cdot)\) \(\chi_{479}(53,\cdot)\) \(\chi_{479}(57,\cdot)\) \(\chi_{479}(58,\cdot)\) \(\chi_{479}(59,\cdot)\) \(\chi_{479}(62,\cdot)\) \(\chi_{479}(65,\cdot)\) \(\chi_{479}(67,\cdot)\) \(\chi_{479}(68,\cdot)\) \(\chi_{479}(74,\cdot)\) \(\chi_{479}(76,\cdot)\) \(\chi_{479}(78,\cdot)\) \(\chi_{479}(79,\cdot)\) \(\chi_{479}(82,\cdot)\) \(\chi_{479}(83,\cdot)\) \(\chi_{479}(85,\cdot)\) ...

Copy content comment:Galois orbit
 
Copy content sage:chi.galois_orbit()
 
Copy content gp:order = charorder(g,chi) [ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 
Copy content magma:order := Order(chi); { chi^k : k in [1..order-1] | GCD(k,order) eq 1 };
 

Related number fields

Field of values: $\Q(\zeta_{239})$
Fixed field: Number field defined by a degree 478 polynomial (not computed)

Values on generators

\(13\) → \(e\left(\frac{129}{478}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 479 }(148, a) \) \(-1\)\(1\)\(e\left(\frac{166}{239}\right)\)\(e\left(\frac{87}{239}\right)\)\(e\left(\frac{93}{239}\right)\)\(e\left(\frac{39}{239}\right)\)\(e\left(\frac{14}{239}\right)\)\(e\left(\frac{123}{239}\right)\)\(e\left(\frac{20}{239}\right)\)\(e\left(\frac{174}{239}\right)\)\(e\left(\frac{205}{239}\right)\)\(e\left(\frac{212}{239}\right)\)
Copy content comment:Value of chi at x
 
Copy content sage:chi(x)
 
Copy content gp:chareval(g,chi,x) \\\\ x integer, value in Q/Z'
 
Copy content magma:chi(x)
 
\( \chi_{ 479 }(148,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

Copy content comment:Gauss sum
 
Copy content sage:chi.gauss_sum(a)
 
Copy content gp:znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 479 }(148,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

Copy content comment:Jacobi sum
 
Copy content sage:chi.jacobi_sum(n)
 
\( J(\chi_{ 479 }(148,·),\chi_{ 479 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

Copy content comment:Kloosterman sum
 
Copy content sage:chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 479 }(148,·)) \;\) at \(\; a,b = \) e.g. 1,2