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Properties

Label 2809.10
Modulus $2809$
Conductor $2809$
Order $689$
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(2809, base_ring=CyclotomicField(1378)) M = H._module chi = DirichletCharacter(H, M([804]))
 
Copy content gp:[g,chi] = znchar(Mod(10, 2809))
 
Copy content magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("2809.10");
 

Basic properties

Modulus: \(2809\)
Copy content comment:Modulus
 
Copy content sage:chi.modulus()
 
Copy content gp:g[1][1]
 
Copy content magma:Modulus(chi);
 
Conductor: \(2809\)
Copy content comment:Conductor
 
Copy content sage:chi.conductor()
 
Copy content gp:znconreyconductor(g,chi)
 
Copy content magma:Conductor(chi);
 
Order: \(689\)
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 2809.j

\(\chi_{2809}(10,\cdot)\) \(\chi_{2809}(13,\cdot)\) \(\chi_{2809}(15,\cdot)\) \(\chi_{2809}(16,\cdot)\) \(\chi_{2809}(24,\cdot)\) \(\chi_{2809}(28,\cdot)\) \(\chi_{2809}(36,\cdot)\) \(\chi_{2809}(42,\cdot)\) \(\chi_{2809}(44,\cdot)\) \(\chi_{2809}(46,\cdot)\) \(\chi_{2809}(47,\cdot)\) \(\chi_{2809}(49,\cdot)\) \(\chi_{2809}(63,\cdot)\) \(\chi_{2809}(66,\cdot)\) \(\chi_{2809}(68,\cdot)\) \(\chi_{2809}(69,\cdot)\) \(\chi_{2809}(77,\cdot)\) \(\chi_{2809}(81,\cdot)\) \(\chi_{2809}(89,\cdot)\) \(\chi_{2809}(95,\cdot)\) \(\chi_{2809}(97,\cdot)\) \(\chi_{2809}(99,\cdot)\) \(\chi_{2809}(100,\cdot)\) \(\chi_{2809}(102,\cdot)\) \(\chi_{2809}(116,\cdot)\) \(\chi_{2809}(119,\cdot)\) \(\chi_{2809}(121,\cdot)\) \(\chi_{2809}(122,\cdot)\) \(\chi_{2809}(130,\cdot)\) \(\chi_{2809}(134,\cdot)\) ...

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: $\Q(\zeta_{689})$
Fixed field: Number field defined by a degree 689 polynomial (not computed)

Values on generators

\(2\) → \(e\left(\frac{402}{689}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 2809 }(10, a) \) \(1\)\(1\)\(e\left(\frac{402}{689}\right)\)\(e\left(\frac{672}{689}\right)\)\(e\left(\frac{115}{689}\right)\)\(e\left(\frac{421}{689}\right)\)\(e\left(\frac{385}{689}\right)\)\(e\left(\frac{272}{689}\right)\)\(e\left(\frac{517}{689}\right)\)\(e\left(\frac{655}{689}\right)\)\(e\left(\frac{134}{689}\right)\)\(e\left(\frac{501}{689}\right)\)
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)
 
\( \chi_{ 2809 }(10,a) \;\) at \(\;a = \) e.g. 2