The Cn Groups

C2

  E C2    
A 1 1 z, Rz x2, y2, z2, xy
B 1 -1 x, y, Rx, Ry yz, xz

C3

  E C3 C32   e = exp(2p i/3)
A 1 1 1 z, Rz x2 + y2, z2
E 1 e e* (x,y)(Rx, Ry) (x2 - y2, xy)(yz, xz)
1 e* e

C4

  E C4 C2 C43    
A 1 1 1 1 z, Rz x2 + y2, z2
B 1 -1 1 -1   x2 - y2, xy
E 1 i -1 -i (x, y)(Rx, Ry) (yz, xz)
1 -i -1 i

C5

  E C5 C52 C53 C54   e = exp(2p i/5)
A 1 1 1 1 1 z, Rz x2 + y2, z2
E1 1 e e2 e2* e* (x, y) (Rx, Ry) (yz, xz)
1 e* e2* e2 e
E2 1 e2 e* e e2*   (x2 - y2, xy)
1 e2* e e* e2

C6

  E C6 C3 C2 C32 C65   e = exp(2p i/6)
A 1 1 1 1 1 1 z, Rz x2 + y2, z2
B 1 -1 1 -1 1 -1    
E1 1 e -e* -1 -e e* (x, y) (Rx, Ry) (xz, yz)
1 e* -e -1 -e* e
E2 1 -e* -e 1 -e* -e   (x2 - y2, xy)
1 -e -e* 1 -e -e*