Abstract Algebra: We classify all groups of order 8 up to isomorphism. There are 3 abelian isomorphism classes and two non-abelian classes, the symmetry group of the square D8 and the quaternion group Q. We define and describe Q and compute Inn(Q) and Out(Q).
U.Reddit course materials available at http://ureddit.com/class/23794/intro-to-group-theory Master list at http://mathdoctorbob.org/UReddit.html
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