Abstract Algebra - 7.2 LaGrange’s Theorem and Consequences

In this video we explore Lagrange's Theorem, which tells us some important information about both the order of a subgroup of a group, as well as the number of distinct cosets we can expect given a certain subgroup H.

Video Chapters:
Intro 0:00
LaGrange's' Theorem 0:07
Consequences of LaGrange's Theorem 3:39
Fermat's Little Theorem 6:31
Application Practice 9:16
Proof Practice 12:47
Up Next 14:00

This playlist follows Gallian text, Contemporary Abstract Algebra, 9e.