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Properties

Label 1664.883
Modulus $1664$
Conductor $1664$
Order $32$
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(1664, base_ring=CyclotomicField(32)) M = H._module chi = DirichletCharacter(H, M([16,15,16]))
 
Copy content gp:[g,chi] = znchar(Mod(883, 1664))
 
Copy content magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("1664.883");
 

Basic properties

Modulus: \(1664\)
Copy content comment:Modulus
 
Copy content sage:chi.modulus()
 
Copy content gp:g[1][1]
 
Copy content magma:Modulus(chi);
 
Conductor: \(1664\)
Copy content comment:Conductor
 
Copy content sage:chi.conductor()
 
Copy content gp:znconreyconductor(g,chi)
 
Copy content magma:Conductor(chi);
 
Order: \(32\)
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 1664.co

\(\chi_{1664}(51,\cdot)\) \(\chi_{1664}(155,\cdot)\) \(\chi_{1664}(259,\cdot)\) \(\chi_{1664}(363,\cdot)\) \(\chi_{1664}(467,\cdot)\) \(\chi_{1664}(571,\cdot)\) \(\chi_{1664}(675,\cdot)\) \(\chi_{1664}(779,\cdot)\) \(\chi_{1664}(883,\cdot)\) \(\chi_{1664}(987,\cdot)\) \(\chi_{1664}(1091,\cdot)\) \(\chi_{1664}(1195,\cdot)\) \(\chi_{1664}(1299,\cdot)\) \(\chi_{1664}(1403,\cdot)\) \(\chi_{1664}(1507,\cdot)\) \(\chi_{1664}(1611,\cdot)\)

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: \(\Q(\zeta_{32})\)
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: 32.0.2088443876129429457733048543333054873029337200425307489036314630977400864768.1
Copy content comment:Fixed field
 
Copy content sage:chi.fixed_field()
 

Values on generators

\((1535,261,769)\) → \((-1,e\left(\frac{15}{32}\right),-1)\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(15\)\(17\)\(19\)\(21\)\(23\)
\( \chi_{ 1664 }(883, a) \) \(-1\)\(1\)\(e\left(\frac{29}{32}\right)\)\(e\left(\frac{31}{32}\right)\)\(e\left(\frac{11}{16}\right)\)\(e\left(\frac{13}{16}\right)\)\(e\left(\frac{27}{32}\right)\)\(e\left(\frac{7}{8}\right)\)\(e\left(\frac{1}{8}\right)\)\(e\left(\frac{25}{32}\right)\)\(e\left(\frac{19}{32}\right)\)\(e\left(\frac{1}{16}\right)\)
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)
 
\( \chi_{ 1664 }(883,a) \;\) at \(\;a = \) e.g. 2