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Properties

Label 4165.2551
Modulus $4165$
Conductor $49$
Order $42$
Real no
Primitive no
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(4165, base_ring=CyclotomicField(42)) M = H._module chi = DirichletCharacter(H, M([0,1,0]))
 
Copy content gp:[g,chi] = znchar(Mod(2551, 4165))
 
Copy content magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("4165.2551");
 

Basic properties

Modulus: \(4165\)
Copy content comment:Modulus
 
Copy content sage:chi.modulus()
 
Copy content gp:g[1][1]
 
Copy content magma:Modulus(chi);
 
Conductor: \(49\)
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 \(\chi_{49}(3,\cdot)\)
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: odd
Copy content comment:Parity
 
Copy content sage:chi.is_odd()
 
Copy content gp:zncharisodd(g,chi)
 
Copy content magma:IsOdd(chi);
 

Galois orbit 4165.dm

\(\chi_{4165}(171,\cdot)\) \(\chi_{4165}(341,\cdot)\) \(\chi_{4165}(936,\cdot)\) \(\chi_{4165}(1361,\cdot)\) \(\chi_{4165}(1531,\cdot)\) \(\chi_{4165}(1956,\cdot)\) \(\chi_{4165}(2551,\cdot)\) \(\chi_{4165}(2721,\cdot)\) \(\chi_{4165}(3146,\cdot)\) \(\chi_{4165}(3316,\cdot)\) \(\chi_{4165}(3741,\cdot)\) \(\chi_{4165}(3911,\cdot)\)

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: Number field defined by a degree 42 polynomial

Values on generators

\((1667,2551,2451)\) → \((1,e\left(\frac{1}{42}\right),1)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(8\)\(9\)\(11\)\(12\)\(13\)\(16\)
\( \chi_{ 4165 }(2551, a) \) \(-1\)\(1\)\(e\left(\frac{13}{21}\right)\)\(e\left(\frac{1}{42}\right)\)\(e\left(\frac{5}{21}\right)\)\(e\left(\frac{9}{14}\right)\)\(e\left(\frac{6}{7}\right)\)\(e\left(\frac{1}{21}\right)\)\(e\left(\frac{20}{21}\right)\)\(e\left(\frac{11}{42}\right)\)\(e\left(\frac{11}{14}\right)\)\(e\left(\frac{10}{21}\right)\)
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)
 
\( \chi_{ 4165 }(2551,a) \;\) at \(\;a = \) e.g. 2