Properties

Label 4021.20
Modulus $4021$
Conductor $4021$
Order $2010$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4021, base_ring=CyclotomicField(2010))
 
M = H._module
 
chi = DirichletCharacter(H, M([263]))
 
pari: [g,chi] = znchar(Mod(20,4021))
 

Basic properties

Modulus: \(4021\)
Conductor: \(4021\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(2010\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4021.w

\(\chi_{4021}(4,\cdot)\) \(\chi_{4021}(12,\cdot)\) \(\chi_{4021}(20,\cdot)\) \(\chi_{4021}(22,\cdot)\) \(\chi_{4021}(39,\cdot)\) \(\chi_{4021}(51,\cdot)\) \(\chi_{4021}(58,\cdot)\) \(\chi_{4021}(59,\cdot)\) \(\chi_{4021}(61,\cdot)\) \(\chi_{4021}(62,\cdot)\) \(\chi_{4021}(65,\cdot)\) \(\chi_{4021}(66,\cdot)\) \(\chi_{4021}(83,\cdot)\) \(\chi_{4021}(85,\cdot)\) \(\chi_{4021}(89,\cdot)\) \(\chi_{4021}(97,\cdot)\) \(\chi_{4021}(108,\cdot)\) \(\chi_{4021}(109,\cdot)\) \(\chi_{4021}(117,\cdot)\) \(\chi_{4021}(121,\cdot)\) \(\chi_{4021}(131,\cdot)\) \(\chi_{4021}(133,\cdot)\) \(\chi_{4021}(148,\cdot)\) \(\chi_{4021}(152,\cdot)\) \(\chi_{4021}(158,\cdot)\) \(\chi_{4021}(159,\cdot)\) \(\chi_{4021}(161,\cdot)\) \(\chi_{4021}(177,\cdot)\) \(\chi_{4021}(180,\cdot)\) \(\chi_{4021}(182,\cdot)\) ...

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

Related number fields

Field of values: $\Q(\zeta_{1005})$
Fixed field: Number field defined by a degree 2010 polynomial (not computed)

Values on generators

\(2\) → \(e\left(\frac{263}{2010}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 4021 }(20, a) \) \(1\)\(1\)\(e\left(\frac{263}{2010}\right)\)\(e\left(\frac{446}{1005}\right)\)\(e\left(\frac{263}{1005}\right)\)\(e\left(\frac{566}{1005}\right)\)\(e\left(\frac{77}{134}\right)\)\(e\left(\frac{9}{10}\right)\)\(e\left(\frac{263}{670}\right)\)\(e\left(\frac{892}{1005}\right)\)\(e\left(\frac{93}{134}\right)\)\(e\left(\frac{1151}{2010}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4021 }(20,a) \;\) at \(\;a = \) e.g. 2