Groups and Group Actions: Lecture 8.5
Theorem of the week 2018-03-12
Summary:
In which we wonder what a non-integer lecture is anyway. OK, of course there isn’t a lecture 8.5. But I promised that I’d post with questions for you to consider before lecture 9, so here is that post. Preparation for Lecture 9 Lagrange’s theorem says that the order of a subgroup divides the order of […]