Abstract Algebra - 10.2 The First Isomorphism Theorem

We complete Chapter 10 by examining the First Isomorphism Theorem. This theorem connects what we know about Factor Groups to what we know about isomorphisms and homomorphisms.

Video Chapters:
Intro 0:00
First Isomorphism Theorem 0:06
More From the First Isomorphism Theorem 7:23
Practice 8:39
Up Next 12:23

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

[louisl]

This is a great video, underviewed and underrated! The example G/ker phi= Z/4Z is illuminating. Here is a followup question: how do you find that |G/Ker phi|=H at the end of the video? Thank you