Cauchy theorem for finite abelian groups :
If G is a finite abelian group such that p/ o( G) , p is a prime number , then there exists an element a( ≠ e) ∈ G such that a^p= e i.e. o(a) = p.
Cauchy theorem for finite groups :
If G is a finite group such that p/ o (G) , p is a prime number , then
there exists an element of order p in G.
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