Properties

Label 1681.565
Modulus $1681$
Conductor $1681$
Order $164$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1681, base_ring=CyclotomicField(164))
 
M = H._module
 
chi = DirichletCharacter(H, M([153]))
 
pari: [g,chi] = znchar(Mod(565,1681))
 

Basic properties

Modulus: \(1681\)
Conductor: \(1681\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(164\)
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 1681.k

\(\chi_{1681}(9,\cdot)\) \(\chi_{1681}(32,\cdot)\) \(\chi_{1681}(50,\cdot)\) \(\chi_{1681}(73,\cdot)\) \(\chi_{1681}(91,\cdot)\) \(\chi_{1681}(114,\cdot)\) \(\chi_{1681}(132,\cdot)\) \(\chi_{1681}(155,\cdot)\) \(\chi_{1681}(173,\cdot)\) \(\chi_{1681}(196,\cdot)\) \(\chi_{1681}(214,\cdot)\) \(\chi_{1681}(237,\cdot)\) \(\chi_{1681}(255,\cdot)\) \(\chi_{1681}(278,\cdot)\) \(\chi_{1681}(296,\cdot)\) \(\chi_{1681}(319,\cdot)\) \(\chi_{1681}(337,\cdot)\) \(\chi_{1681}(360,\cdot)\) \(\chi_{1681}(401,\cdot)\) \(\chi_{1681}(419,\cdot)\) \(\chi_{1681}(442,\cdot)\) \(\chi_{1681}(460,\cdot)\) \(\chi_{1681}(483,\cdot)\) \(\chi_{1681}(501,\cdot)\) \(\chi_{1681}(524,\cdot)\) \(\chi_{1681}(542,\cdot)\) \(\chi_{1681}(565,\cdot)\) \(\chi_{1681}(583,\cdot)\) \(\chi_{1681}(606,\cdot)\) \(\chi_{1681}(624,\cdot)\) ...

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: $\Q(\zeta_{164})$
Fixed field: Number field defined by a degree 164 polynomial (not computed)

Values on generators

\(6\) → \(e\left(\frac{153}{164}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 1681 }(565, a) \) \(1\)\(1\)\(e\left(\frac{33}{82}\right)\)\(e\left(\frac{87}{164}\right)\)\(e\left(\frac{33}{41}\right)\)\(e\left(\frac{29}{82}\right)\)\(e\left(\frac{153}{164}\right)\)\(e\left(\frac{83}{164}\right)\)\(e\left(\frac{17}{82}\right)\)\(e\left(\frac{5}{82}\right)\)\(e\left(\frac{31}{41}\right)\)\(e\left(\frac{143}{164}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1681 }(565,a) \;\) at \(\;a = \) e.g. 2