Using O(N) = Σca for some choices of a in N , prove that in A5 there is no normal subgroup N other than (e) and A5 .
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Group Theory (CVII)
Another Counting Principle
By:- Thokchom Sarojkumar Sinha
Using for some choices of in , prove that in there is no normal ...
Chains are investigated. The solution is detailed and well presented. Permutation groups and counting principles are determined.