Properties

Label 4998.2075
Modulus $4998$
Conductor $147$
Order $42$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: Pari/GP / SageMath
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(4998, base_ring=CyclotomicField(42)) M = H._module chi = DirichletCharacter(H, M([21,25,0]))
 
Copy content pari:[g,chi] = znchar(Mod(2075,4998))
 

Basic properties

Modulus: \(4998\)
Conductor: \(147\)
Copy content sage:chi.conductor()
 
Copy content pari:znconreyconductor(g,chi)
 
Order: \(42\)
Copy content sage:chi.multiplicative_order()
 
Copy content pari:charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{147}(17,\cdot)\)
Copy content sage:chi.is_primitive()
 
Copy content pari:#znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
Copy content sage:chi.is_odd()
 
Copy content pari:zncharisodd(g,chi)
 

Galois orbit 4998.cc

\(\chi_{4998}(341,\cdot)\) \(\chi_{4998}(647,\cdot)\) \(\chi_{4998}(1055,\cdot)\) \(\chi_{4998}(1361,\cdot)\) \(\chi_{4998}(1769,\cdot)\) \(\chi_{4998}(2075,\cdot)\) \(\chi_{4998}(2483,\cdot)\) \(\chi_{4998}(2789,\cdot)\) \(\chi_{4998}(3197,\cdot)\) \(\chi_{4998}(3503,\cdot)\) \(\chi_{4998}(3911,\cdot)\) \(\chi_{4998}(4217,\cdot)\)

Copy content sage:chi.galois_orbit()
 
Copy content pari:order = charorder(g,chi) [ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Related number fields

Field of values: \(\Q(\zeta_{21})\)
Fixed field: \(\Q(\zeta_{147})^+\)

Values on generators

\((1667,2551,4117)\) → \((-1,e\left(\frac{25}{42}\right),1)\)

First values

\(a\) \(-1\)\(1\)\(5\)\(11\)\(13\)\(19\)\(23\)\(25\)\(29\)\(31\)\(37\)\(41\)
\( \chi_{ 4998 }(2075, a) \) \(1\)\(1\)\(e\left(\frac{16}{21}\right)\)\(e\left(\frac{13}{42}\right)\)\(e\left(\frac{9}{14}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{5}{42}\right)\)\(e\left(\frac{11}{21}\right)\)\(e\left(\frac{3}{14}\right)\)\(e\left(\frac{1}{6}\right)\)\(e\left(\frac{1}{21}\right)\)\(e\left(\frac{3}{7}\right)\)
Copy content sage:chi.jacobi_sum(n)
 
\( \chi_{ 4998 }(2075,a) \;\) at \(\;a = \) e.g. 2