This link may be helpful
http://en.wikipedia.org/wiki/Examples_of_groups
is the example you are looking for
For the dihedral group( ) with { }
(3) Find ?
(4) What are the left cosets of ?
(5) Prove if is normal.
(6) Construct the Cayley table of
I've tried really hard to work these questions out. I worked out the first two questions (from the attached image above) but I'm having trouble with the four posted here. I really need to be shown how to do these otherwise I wont get it. Ive been working on these for about 6 hours and Im not getting anywhere.
This link may be helpful
http://en.wikipedia.org/wiki/Examples_of_groups
is the example you are looking for