Properties

Label 4019.4
Modulus $4019$
Conductor $4019$
Order $2009$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4019, base_ring=CyclotomicField(4018))
 
M = H._module
 
chi = DirichletCharacter(H, M([2]))
 
pari: [g,chi] = znchar(Mod(4,4019))
 

Basic properties

Modulus: \(4019\)
Conductor: \(4019\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(2009\)
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 4019.k

\(\chi_{4019}(4,\cdot)\) \(\chi_{4019}(5,\cdot)\) \(\chi_{4019}(12,\cdot)\) \(\chi_{4019}(14,\cdot)\) \(\chi_{4019}(15,\cdot)\) \(\chi_{4019}(16,\cdot)\) \(\chi_{4019}(19,\cdot)\) \(\chi_{4019}(22,\cdot)\) \(\chi_{4019}(23,\cdot)\) \(\chi_{4019}(25,\cdot)\) \(\chi_{4019}(26,\cdot)\) \(\chi_{4019}(36,\cdot)\) \(\chi_{4019}(43,\cdot)\) \(\chi_{4019}(45,\cdot)\) \(\chi_{4019}(49,\cdot)\) \(\chi_{4019}(53,\cdot)\) \(\chi_{4019}(57,\cdot)\) \(\chi_{4019}(58,\cdot)\) \(\chi_{4019}(60,\cdot)\) \(\chi_{4019}(62,\cdot)\) \(\chi_{4019}(64,\cdot)\) \(\chi_{4019}(66,\cdot)\) \(\chi_{4019}(67,\cdot)\) \(\chi_{4019}(69,\cdot)\) \(\chi_{4019}(70,\cdot)\) \(\chi_{4019}(73,\cdot)\) \(\chi_{4019}(74,\cdot)\) \(\chi_{4019}(75,\cdot)\) \(\chi_{4019}(76,\cdot)\) \(\chi_{4019}(77,\cdot)\) ...

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: $\Q(\zeta_{2009})$
Fixed field: Number field defined by a degree 2009 polynomial (not computed)

Values on generators

\(2\) → \(e\left(\frac{1}{2009}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 4019 }(4, a) \) \(1\)\(1\)\(e\left(\frac{1}{2009}\right)\)\(e\left(\frac{25}{49}\right)\)\(e\left(\frac{2}{2009}\right)\)\(e\left(\frac{796}{2009}\right)\)\(e\left(\frac{1026}{2009}\right)\)\(e\left(\frac{1760}{2009}\right)\)\(e\left(\frac{3}{2009}\right)\)\(e\left(\frac{1}{49}\right)\)\(e\left(\frac{797}{2009}\right)\)\(e\left(\frac{261}{2009}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4019 }(4,a) \;\) at \(\;a = \) e.g. 2