Proving G of order 12 is isomorphic to A4

[TheForumLord]

Tnx man...But I still don't think this is what we should do ...There must be another way to prove the iso. between A4 and G...maybe something about the order of the images in the homo.? A proprety we're missing?

I really don't know :(

 

[Dick]

You KNOW the order of the image of the homomorphism in S4. It's 12. You should be able to prove that's A4 one way or another. I outlined one way.

 

[TheForumLord]

Sry I made you mad :(

TNX a lot for your help so far...You've helped a lot!

 

[Dick]

No problem, I just think you should buckle down and try to prove a subgroup of S4 of order 12 is A4, I don't think it's that hard.