Properties

Label 2695.8
Modulus $2695$
Conductor $2695$
Order $140$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2695, base_ring=CyclotomicField(140))
 
M = H._module
 
chi = DirichletCharacter(H, M([105,120,42]))
 
pari: [g,chi] = znchar(Mod(8,2695))
 

Basic properties

Modulus: \(2695\)
Conductor: \(2695\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(140\)
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 2695.de

\(\chi_{2695}(8,\cdot)\) \(\chi_{2695}(57,\cdot)\) \(\chi_{2695}(127,\cdot)\) \(\chi_{2695}(162,\cdot)\) \(\chi_{2695}(183,\cdot)\) \(\chi_{2695}(288,\cdot)\) \(\chi_{2695}(337,\cdot)\) \(\chi_{2695}(358,\cdot)\) \(\chi_{2695}(512,\cdot)\) \(\chi_{2695}(547,\cdot)\) \(\chi_{2695}(568,\cdot)\) \(\chi_{2695}(673,\cdot)\) \(\chi_{2695}(722,\cdot)\) \(\chi_{2695}(743,\cdot)\) \(\chi_{2695}(778,\cdot)\) \(\chi_{2695}(827,\cdot)\) \(\chi_{2695}(897,\cdot)\) \(\chi_{2695}(953,\cdot)\) \(\chi_{2695}(1058,\cdot)\) \(\chi_{2695}(1107,\cdot)\) \(\chi_{2695}(1163,\cdot)\) \(\chi_{2695}(1212,\cdot)\) \(\chi_{2695}(1282,\cdot)\) \(\chi_{2695}(1317,\cdot)\) \(\chi_{2695}(1338,\cdot)\) \(\chi_{2695}(1443,\cdot)\) \(\chi_{2695}(1492,\cdot)\) \(\chi_{2695}(1513,\cdot)\) \(\chi_{2695}(1548,\cdot)\) \(\chi_{2695}(1597,\cdot)\) ...

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: $\Q(\zeta_{140})$
Fixed field: Number field defined by a degree 140 polynomial (not computed)

Values on generators

\((2157,1816,981)\) → \((-i,e\left(\frac{6}{7}\right),e\left(\frac{3}{10}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(8\)\(9\)\(12\)\(13\)\(16\)\(17\)
\( \chi_{ 2695 }(8, a) \) \(1\)\(1\)\(e\left(\frac{47}{140}\right)\)\(e\left(\frac{71}{140}\right)\)\(e\left(\frac{47}{70}\right)\)\(e\left(\frac{59}{70}\right)\)\(e\left(\frac{1}{140}\right)\)\(e\left(\frac{1}{70}\right)\)\(e\left(\frac{5}{28}\right)\)\(e\left(\frac{117}{140}\right)\)\(e\left(\frac{12}{35}\right)\)\(e\left(\frac{123}{140}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2695 }(8,a) \;\) at \(\;a = \) e.g. 2