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View Full Version : Isomorphism of the Dihedral group!


blahblah8724
Jan20-12, 11:15 AM
We're doing isomorphisms and I was just wondering, is the dihedral group D_{12} isomorphic to the group of even permutations A_4?

micromass
Jan20-12, 11:40 AM
Let's find out. How many elements of order 2 are there in A_4 and D_{12}??

Deveno
Jan20-12, 02:44 PM
OR....

D12 contains 2 elements of order 6 (what are they?). does A4 have any elements of order 6?