How to show $D_3\oplus D_4$ is not isomorphic to $D_{24}$?

Asked Nov 20 '18 at 14:41

Active Nov 27 '18 at 21:34

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Here $D_n$ is the dihedral group of order $2n$.

I am not sure how to prove this. I am not very good with the dihedreal groups.

edited Nov 20 '18 at 14:46

asked Nov 20 '18 at 14:41

So Lo

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