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Properties

Label 121.49
Modulus $121$
Conductor $121$
Order $55$
Real no
Primitive yes
Minimal yes
Parity even

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(121, base_ring=CyclotomicField(110)) M = H._module chi = DirichletCharacter(H, M([14]))
 
Copy content gp:[g,chi] = znchar(Mod(49, 121))
 
Copy content magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("121.49");
 

Basic properties

Modulus: \(121\)
Copy content comment:Modulus
 
Copy content sage:chi.modulus()
 
Copy content gp:g[1][1]
 
Copy content magma:Modulus(chi);
 
Conductor: \(121\)
Copy content comment:Conductor
 
Copy content sage:chi.conductor()
 
Copy content gp:znconreyconductor(g,chi)
 
Copy content magma:Conductor(chi);
 
Order: \(55\)
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: even
Copy content comment:Parity
 
Copy content sage:chi.is_odd()
 
Copy content gp:zncharisodd(g,chi)
 
Copy content magma:IsOdd(chi);
 

Galois orbit 121.g

\(\chi_{121}(4,\cdot)\) \(\chi_{121}(5,\cdot)\) \(\chi_{121}(14,\cdot)\) \(\chi_{121}(15,\cdot)\) \(\chi_{121}(16,\cdot)\) \(\chi_{121}(20,\cdot)\) \(\chi_{121}(25,\cdot)\) \(\chi_{121}(26,\cdot)\) \(\chi_{121}(31,\cdot)\) \(\chi_{121}(36,\cdot)\) \(\chi_{121}(37,\cdot)\) \(\chi_{121}(38,\cdot)\) \(\chi_{121}(42,\cdot)\) \(\chi_{121}(47,\cdot)\) \(\chi_{121}(48,\cdot)\) \(\chi_{121}(49,\cdot)\) \(\chi_{121}(53,\cdot)\) \(\chi_{121}(58,\cdot)\) \(\chi_{121}(59,\cdot)\) \(\chi_{121}(60,\cdot)\) \(\chi_{121}(64,\cdot)\) \(\chi_{121}(69,\cdot)\) \(\chi_{121}(70,\cdot)\) \(\chi_{121}(71,\cdot)\) \(\chi_{121}(75,\cdot)\) \(\chi_{121}(80,\cdot)\) \(\chi_{121}(82,\cdot)\) \(\chi_{121}(86,\cdot)\) \(\chi_{121}(91,\cdot)\) \(\chi_{121}(92,\cdot)\) ...

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: $\Q(\zeta_{55})$
Fixed field: Number field defined by a degree 55 polynomial

Values on generators

\(2\) → \(e\left(\frac{7}{55}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(12\)
\( \chi_{ 121 }(49, a) \) \(1\)\(1\)\(e\left(\frac{7}{55}\right)\)\(e\left(\frac{1}{5}\right)\)\(e\left(\frac{14}{55}\right)\)\(e\left(\frac{23}{55}\right)\)\(e\left(\frac{18}{55}\right)\)\(e\left(\frac{49}{55}\right)\)\(e\left(\frac{21}{55}\right)\)\(e\left(\frac{2}{5}\right)\)\(e\left(\frac{6}{11}\right)\)\(e\left(\frac{5}{11}\right)\)
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)
 
\( \chi_{ 121 }(49,a) \;\) 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)
 
\( \tau_{ a }( \chi_{ 121 }(49,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

Copy content comment:Jacobi sum
 
Copy content sage:chi.jacobi_sum(n)
 
\( J(\chi_{ 121 }(49,·),\chi_{ 121 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

Copy content comment:Kloosterman sum
 
Copy content sage:chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 121 }(49,·)) \;\) at \(\; a,b = \) e.g. 1,2