Closed dcernst closed 2 years ago
Take a look at Matt's slides/book. Using A_4 for some examples would be good. Also, there's a graph at the following link that has a couple of interesting subgroups (some normal, some not) to try:
https://math.stackexchange.com/questions/3193714/how-to-see-if-a-subgroup-is-normal-from-cayley-graph
Some slides worth looking at:
http://www.math.clemson.edu/~macaule/classes/s14_math4120/s14_math4120_lecture-07-handout.pdf
Done.
Take a look at Matt's slides/book. Using A_4 for some examples would be good. Also, there's a graph at the following link that has a couple of interesting subgroups (some normal, some not) to try:
https://math.stackexchange.com/questions/3193714/how-to-see-if-a-subgroup-is-normal-from-cayley-graph