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Vojtěch Jarník IMC
2006 VJIMC
Problem 2
group is only squares iff |G| is odd
group is only squares iff |G| is odd
Source: VJIMC 2006 2.2
June 28, 2021
group theory
abstract algebra
Problem Statement
Let
(
G
,
⋅
)
(G,\cdot)
(
G
,
⋅
)
be a finite group of order
n
n
n
. Show that each element of
G
G
G
is a square if and only if
n
n
n
is odd.
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