Properties

Label 4021.8
Modulus $4021$
Conductor $4021$
Order $1340$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4021, base_ring=CyclotomicField(1340))
 
M = H._module
 
chi = DirichletCharacter(H, M([1]))
 
pari: [g,chi] = znchar(Mod(8,4021))
 

Basic properties

Modulus: \(4021\)
Conductor: \(4021\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(1340\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4021.v

\(\chi_{4021}(8,\cdot)\) \(\chi_{4021}(33,\cdot)\) \(\chi_{4021}(44,\cdot)\) \(\chi_{4021}(55,\cdot)\) \(\chi_{4021}(87,\cdot)\) \(\chi_{4021}(91,\cdot)\) \(\chi_{4021}(92,\cdot)\) \(\chi_{4021}(93,\cdot)\) \(\chi_{4021}(102,\cdot)\) \(\chi_{4021}(104,\cdot)\) \(\chi_{4021}(106,\cdot)\) \(\chi_{4021}(116,\cdot)\) \(\chi_{4021}(123,\cdot)\) \(\chi_{4021}(145,\cdot)\) \(\chi_{4021}(155,\cdot)\) \(\chi_{4021}(157,\cdot)\) \(\chi_{4021}(162,\cdot)\) \(\chi_{4021}(164,\cdot)\) \(\chi_{4021}(166,\cdot)\) \(\chi_{4021}(170,\cdot)\) \(\chi_{4021}(171,\cdot)\) \(\chi_{4021}(194,\cdot)\) \(\chi_{4021}(199,\cdot)\) \(\chi_{4021}(205,\cdot)\) \(\chi_{4021}(218,\cdot)\) \(\chi_{4021}(228,\cdot)\) \(\chi_{4021}(237,\cdot)\) \(\chi_{4021}(252,\cdot)\) \(\chi_{4021}(270,\cdot)\) \(\chi_{4021}(277,\cdot)\) ...

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: $\Q(\zeta_{1340})$
Fixed field: Number field defined by a degree 1340 polynomial (not computed)

Values on generators

\(2\) → \(e\left(\frac{1}{1340}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 4021 }(8, a) \) \(-1\)\(1\)\(e\left(\frac{1}{1340}\right)\)\(e\left(\frac{76}{335}\right)\)\(e\left(\frac{1}{670}\right)\)\(e\left(\frac{131}{335}\right)\)\(e\left(\frac{61}{268}\right)\)\(e\left(\frac{9}{20}\right)\)\(e\left(\frac{3}{1340}\right)\)\(e\left(\frac{152}{335}\right)\)\(e\left(\frac{105}{268}\right)\)\(e\left(\frac{1217}{1340}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4021 }(8,a) \;\) at \(\;a = \) e.g. 2