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An elementary study of groups whose order is a product of two primes. (Spanish. English summary) Zbl 1050.20502
Summary: We study the number of finite abstract groups whose order is the product of two primes. We use elementary methods based on the action of the group on itself by conjugation.
MSC:
 20D60 Arithmetic and combinatorial problems involving abstract finite groups 20D20 Sylow subgroups, Sylow properties, $$\pi$$-groups, $$\pi$$-structure 20D45 Automorphisms of abstract finite groups
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