Properties

Label 3920.289
Modulus $3920$
Conductor $245$
Order $42$
Real no
Primitive no
Minimal no
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(3920, base_ring=CyclotomicField(42)) M = H._module chi = DirichletCharacter(H, M([0,0,21,8]))
 
Copy content gp:[g,chi] = znchar(Mod(289, 3920))
 
Copy content magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("3920.289");
 

Basic properties

Modulus: \(3920\)
Copy content comment:Modulus
 
Copy content sage:chi.modulus()
 
Copy content gp:g[1][1]
 
Copy content magma:Modulus(chi);
 
Conductor: \(245\)
Copy content comment:Conductor
 
Copy content sage:chi.conductor()
 
Copy content gp:znconreyconductor(g,chi)
 
Copy content magma:Conductor(chi);
 
Order: \(42\)
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 \(\chi_{245}(44,\cdot)\)
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: no
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 3920.ex

\(\chi_{3920}(289,\cdot)\) \(\chi_{3920}(529,\cdot)\) \(\chi_{3920}(849,\cdot)\) \(\chi_{3920}(1089,\cdot)\) \(\chi_{3920}(1409,\cdot)\) \(\chi_{3920}(1649,\cdot)\) \(\chi_{3920}(1969,\cdot)\) \(\chi_{3920}(2209,\cdot)\) \(\chi_{3920}(2769,\cdot)\) \(\chi_{3920}(3089,\cdot)\) \(\chi_{3920}(3329,\cdot)\) \(\chi_{3920}(3649,\cdot)\)

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: \(\Q(\zeta_{21})\)
Fixed field: 42.42.8050468075656610214837511220114705524038488445061950919170859146595001220703125.1

Values on generators

\((1471,981,3137,3041)\) → \((1,1,-1,e\left(\frac{4}{21}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(9\)\(11\)\(13\)\(17\)\(19\)\(23\)\(27\)\(29\)\(31\)
\( \chi_{ 3920 }(289, a) \) \(1\)\(1\)\(e\left(\frac{29}{42}\right)\)\(e\left(\frac{8}{21}\right)\)\(e\left(\frac{13}{21}\right)\)\(e\left(\frac{11}{14}\right)\)\(e\left(\frac{11}{42}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{31}{42}\right)\)\(e\left(\frac{1}{14}\right)\)\(e\left(\frac{3}{7}\right)\)\(e\left(\frac{1}{3}\right)\)
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)
 
\( \chi_{ 3920 }(289,a) \;\) at \(\;a = \) e.g. 2