Show commands: Magma / Pari/GP / SageMath
Copy content comment:Define the Dirichlet character
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(5610, base_ring=CyclotomicField(16)) M = H._module chi = DirichletCharacter(H, M([0,4,0,9]))
 
Copy content gp:[g,chi] = znchar(Mod(2377, 5610))
 
Copy content magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("5610.2377");
 

Basic properties

Modulus: \(5610\)
Copy content comment:Modulus
 
Copy content sage:chi.modulus()
 
Copy content gp:g[1][1]
 
Copy content magma:Modulus(chi);
 
Conductor: \(85\)
Copy content comment:Conductor
 
Copy content sage:chi.conductor()
 
Copy content gp:znconreyconductor(g,chi)
 
Copy content magma:Conductor(chi);
 
Order: \(16\)
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: no, induced from \(\chi_{85}(82,\cdot)\)
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 5610.dh

\(\chi_{5610}(793,\cdot)\) \(\chi_{5610}(1057,\cdot)\) \(\chi_{5610}(2377,\cdot)\) \(\chi_{5610}(3763,\cdot)\) \(\chi_{5610}(4357,\cdot)\) \(\chi_{5610}(4687,\cdot)\) \(\chi_{5610}(4753,\cdot)\) \(\chi_{5610}(5413,\cdot)\)

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: \(\Q(\zeta_{16})\)
Copy content comment:Field of values of chi
 
Copy content sage:CyclotomicField(chi.multiplicative_order())
 
Copy content gp:nfinit(polcyclo(charorder(g,chi)))
 
Copy content magma:CyclotomicField(Order(chi));
 
Fixed field: 16.16.698833752810013621337890625.1
Copy content comment:Fixed field
 
Copy content sage:chi.fixed_field()
 

Values on generators

\((1871,3367,1531,3301)\) → \((1,i,1,e\left(\frac{9}{16}\right))\)

First values

\(a\) \(-1\)\(1\)\(7\)\(13\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)\(47\)
\( \chi_{ 5610 }(2377, a) \) \(1\)\(1\)\(e\left(\frac{7}{16}\right)\)\(1\)\(e\left(\frac{3}{8}\right)\)\(e\left(\frac{3}{16}\right)\)\(e\left(\frac{13}{16}\right)\)\(e\left(\frac{1}{16}\right)\)\(e\left(\frac{13}{16}\right)\)\(e\left(\frac{3}{16}\right)\)\(e\left(\frac{7}{8}\right)\)\(-1\)
Copy content comment:Value of chi at x
 
Copy content sage:chi(x) # x integer
 
Copy content gp:chareval(g,chi,x) \\ x integer, value in Q/Z
 
Copy content magma:chi(x)
 
\( \chi_{ 5610 }(2377,a) \;\) at \(\;a = \) e.g. 2