Finite Groups with Exactly Two Maximal Subgroups are Cyclic

Published: 03 February 2023
on channel: Adam Glesser
331
9

Answering a viewer question, we prove that every finite group with exactly two maximal subgroups is cyclic. Along the way, we define maximal subgroups and prove that every proper subgroup in a finite group is contained in a maximal subgroup. We also prove that no group can be written as the union of two proper subgroups.


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