Properties

Label 1775.18
Modulus $1775$
Conductor $355$
Order $140$
Real no
Primitive no
Minimal yes
Parity odd

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1775, base_ring=CyclotomicField(140))
 
M = H._module
 
chi = DirichletCharacter(H, M([105,116]))
 
pari: [g,chi] = znchar(Mod(18,1775))
 

Basic properties

Modulus: \(1775\)
Conductor: \(355\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(140\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{355}(18,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1775.da

\(\chi_{1775}(18,\cdot)\) \(\chi_{1775}(43,\cdot)\) \(\chi_{1775}(107,\cdot)\) \(\chi_{1775}(157,\cdot)\) \(\chi_{1775}(182,\cdot)\) \(\chi_{1775}(232,\cdot)\) \(\chi_{1775}(293,\cdot)\) \(\chi_{1775}(357,\cdot)\) \(\chi_{1775}(382,\cdot)\) \(\chi_{1775}(393,\cdot)\) \(\chi_{1775}(432,\cdot)\) \(\chi_{1775}(507,\cdot)\) \(\chi_{1775}(557,\cdot)\) \(\chi_{1775}(618,\cdot)\) \(\chi_{1775}(632,\cdot)\) \(\chi_{1775}(643,\cdot)\) \(\chi_{1775}(657,\cdot)\) \(\chi_{1775}(668,\cdot)\) \(\chi_{1775}(682,\cdot)\) \(\chi_{1775}(718,\cdot)\) \(\chi_{1775}(768,\cdot)\) \(\chi_{1775}(793,\cdot)\) \(\chi_{1775}(868,\cdot)\) \(\chi_{1775}(932,\cdot)\) \(\chi_{1775}(1018,\cdot)\) \(\chi_{1775}(1032,\cdot)\) \(\chi_{1775}(1043,\cdot)\) \(\chi_{1775}(1068,\cdot)\) \(\chi_{1775}(1243,\cdot)\) \(\chi_{1775}(1257,\cdot)\) ...

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

\((427,1001)\) → \((-i,e\left(\frac{29}{35}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(11\)\(12\)\(13\)
\( \chi_{ 1775 }(18, a) \) \(-1\)\(1\)\(e\left(\frac{101}{140}\right)\)\(e\left(\frac{111}{140}\right)\)\(e\left(\frac{31}{70}\right)\)\(e\left(\frac{18}{35}\right)\)\(e\left(\frac{81}{140}\right)\)\(e\left(\frac{23}{140}\right)\)\(e\left(\frac{41}{70}\right)\)\(e\left(\frac{24}{35}\right)\)\(e\left(\frac{33}{140}\right)\)\(e\left(\frac{79}{140}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1775 }(18,a) \;\) at \(\;a = \) e.g. 2