Properties

Label 15785.9663
Modulus $15785$
Conductor $15785$
Order $120$
Real no
Primitive yes
Minimal yes
Parity odd

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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(15785, base_ring=CyclotomicField(120)) M = H._module chi = DirichletCharacter(H, M([90,20,48,33]))
 
Copy content gp:[g,chi] = znchar(Mod(9663, 15785))
 
Copy content magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("15785.9663");
 

Basic properties

Modulus: \(15785\)
Copy content comment:Modulus
 
Copy content sage:chi.modulus()
 
Copy content gp:g[1][1]
 
Copy content magma:Modulus(chi);
 
Conductor: \(15785\)
Copy content comment:Conductor
 
Copy content sage:chi.conductor()
 
Copy content gp:znconreyconductor(g,chi)
 
Copy content magma:Conductor(chi);
 
Order: \(120\)
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 15785.bba

\(\chi_{15785}(423,\cdot)\) \(\chi_{15785}(1347,\cdot)\) \(\chi_{15785}(3743,\cdot)\) \(\chi_{15785}(4933,\cdot)\) \(\chi_{15785}(5218,\cdot)\) \(\chi_{15785}(5267,\cdot)\) \(\chi_{15785}(5582,\cdot)\) \(\chi_{15785}(5757,\cdot)\) \(\chi_{15785}(5857,\cdot)\) \(\chi_{15785}(6548,\cdot)\) \(\chi_{15785}(6912,\cdot)\) \(\chi_{15785}(7857,\cdot)\) \(\chi_{15785}(8193,\cdot)\) \(\chi_{15785}(9663,\cdot)\) \(\chi_{15785}(9728,\cdot)\) \(\chi_{15785}(9777,\cdot)\) \(\chi_{15785}(10092,\cdot)\) \(\chi_{15785}(10267,\cdot)\) \(\chi_{15785}(10272,\cdot)\) \(\chi_{15785}(10503,\cdot)\) \(\chi_{15785}(10552,\cdot)\) \(\chi_{15785}(10608,\cdot)\) \(\chi_{15785}(11058,\cdot)\) \(\chi_{15785}(11422,\cdot)\) \(\chi_{15785}(12367,\cdot)\) \(\chi_{15785}(12703,\cdot)\) \(\chi_{15785}(14173,\cdot)\) \(\chi_{15785}(14782,\cdot)\) \(\chi_{15785}(15013,\cdot)\) \(\chi_{15785}(15018,\cdot)\) ...

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: $\Q(\zeta_{120})$
Fixed field: Number field defined by a degree 120 polynomial (not computed)

Values on generators

\((9472,4511,12916,3081)\) → \((-i,e\left(\frac{1}{6}\right),e\left(\frac{2}{5}\right),e\left(\frac{11}{40}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(8\)\(9\)\(12\)\(13\)\(16\)\(17\)
\( \chi_{ 15785 }(9663, a) \) \(-1\)\(1\)\(e\left(\frac{19}{30}\right)\)\(e\left(\frac{89}{120}\right)\)\(e\left(\frac{4}{15}\right)\)\(e\left(\frac{3}{8}\right)\)\(e\left(\frac{9}{10}\right)\)\(e\left(\frac{29}{60}\right)\)\(e\left(\frac{1}{120}\right)\)\(e\left(\frac{27}{40}\right)\)\(e\left(\frac{8}{15}\right)\)\(e\left(\frac{71}{120}\right)\)
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)
 
\( \chi_{ 15785 }(9663,a) \;\) at \(\;a = \) e.g. 2