1) We sort of rushed through Lagrange's Theorem last class period, so I hope we talk about it more today and how we can use it in application. What is the difference between a normal subgroup and a commutative subgroup. Is there a difference?
2) I think it is cool that we are still trying to create a list of every finite group. I am reading the second edition - is there a lot more progress on this problem since this book was published?
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