Let G be a group and H a subgroup of G. If [G: H] = 2 then H ⊲ G, where [G: H] represents the index of H in G. NORMAL SUBGROUP.
Let G be a group and H a subgroup of G. If [G: H] = 2 then H ⊲ G, where [G: H] represents the index of H in G. NORMAL SUBGROUP.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter4: More On Groups
Section4.5: Normal Subgroups
Problem 16E: 16. Let be a subgroup of and assume that every left coset of in is equal to a right coset of in ....
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Let G be a group and H a subgroup of G. If [G: H] = 2 then H ⊲ G, where
[G: H] represents the index of H in G.
NORMAL SUBGROUP.
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