Quotient group # Algebraic Structures # TAM5A

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Notation: G/N

Theorem:2.6.1
If G/N is a group, N is a normal subgroup of G, then G/N is also a group.

Definition: Quotient group or Factor group

Lemma:2.6.4
If G is a finite group and n is a normal subgroup of G then O(G/N)=O(G)/O(N).

Subject: Algebraic structure
Text Book: Topics in Algebra-I. N. Herstein
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TQ sm
I was search in any books and many website but I didn't get answer for this question but now I get finally the proof for this question....

ranjuRabbiS
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Can i write right coset as G|H ? Instead of Ha !

manojpv