Yi Lei
Abstract
This paper introduces the relationship between equivalence relation and subgroup, and from this equivalence law between congruence and normal subgroup can be deduced, The aim of this paper is to get a deeper understanding of equivalence relation, congruence, subgroup, normal subgroup and quotient group.
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This paper introduces the relationship between equivalence relation and subgroup, and from this equivalence law between congruence and normal subgroup can be deduced, The aim of this paper is to get a deeper understanding of equivalence relation, congruence, subgroup, normal subgroup and quotient group.
Key concepts: Normal subgroup, Characteristic subgroup, Congruence (geometry), Mathematics, Congruence relation, Quotient, Equivalence relation, Commutator subgroup