Subgroup of D4

**tttcomrader** · August 28th 2007, 07:44 AM

I'm trying to find all of the subgroups in $D_{4}$ of the order 4.

So far I can only get the subgroup set consist of $R_{0}, R_{90}, R_{180}, R_{270}$

Shouldn't there be two more?

**ThePerfectHacker** · August 28th 2007, 07:55 AM

Originally Posted by tttcomrader

I'm trying to find all of the subgroups in $D_{4}$ of the order 4.

So far I can only get the subgroup set consist of $R_{0}, R_{90}, R_{180}, R_{270}$

Shouldn't there be two more?

No there are only three.
Look here.

Thread: Subgroup of D4

LinkBack

Thread Tools

Display

Subgroup of D4

Similar Math Help Forum Discussions

Normalizer as a subgroup. Unique largest subgroup in which A is normal.

characterisitic subgroup implies normal subgroup

Centralizer of a subgroup is a subgroup of the main group

subgroup of a normal subgroup...

Normal subgroup interset Sylow subgroup

Search Tags