500 Most Important CSIR NET Mathematical Science Questions | Group Theory | L4

[@csirnet_mathematics]

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[@SaibalBiswas-b8h]

14:27 if we change the question by 'how many normal subgroups does that group have' then the question will valid? Because that group is abelian, so all of its subgroups are normal. So, total number of subgroups= total number of Normal subgroups. Right?

[@chandankumarroy7666]

Yes..!

[@SaibalBiswas-b8h]

That means 16 subgroups are normal, right?

[@chandankumarroy7666]

Yes..!