=exp(2
i/6)| C6 | E | C6 | C3 | C2 | (C3)2 | (C6)5 | rotations  | 
functions  | 
functions  | 
|---|---|---|---|---|---|---|---|---|---|
| A | +1 | +1 | +1 | +1 | +1 | +1 | z, Rz | x2+y2, z2 | z3, z(x2+y2) | 
| B | +1 | -1 | +1 | -1 | +1 | -1 | - | - | y(3x2-y2), x(x2-3y2) | 
| E1 | +1 +1  | 
+![]() +  * | 
- *- ![]()  | 
-1 -1  | 
-![]() -  * | 
+ *+ ![]()  | 
x+iy; Rx+iRy x-iy; Rx-iRy  | 
(xz, yz) | (xz2, yz2) [x(x2+y2), y(x2+y2)] | 
| E2 | +1 +1  | 
- *- ![]()  | 
-![]() -  * | 
+1 +1  | 
- *- ![]()  | 
-![]() -  * | 
- | (x2-y2, xy) | [xyz, z(x2-y2)] | 
| Number of symmetry elements | h = 6 | 
| Number of irreducible representations | n = 6 | 
| Number of real irreducible representations | n = 4 | 
| Abelian group | yes | 
| Number of subgroups | 2 | 
| Subgroups | C2 , C3 | 
|---|---|
| Optical Isomerism (Chirality) | yes | 
| Polar | yes | 
| dipole (p) | A+E1 | 
|---|---|
| quadrupole (d) | A+E1+E2 | 
| octopole (f) | A+2B+E1+E2 | 
| hexadecapole (g) | A+2B+E1+2E2 | 
| 32-pole (h) | A+2B+2E1+2E2 | 
| 64-pole (i) | 3A+2B+2E1+2E2 | 
| 128-pole (j) | 3A+2B+3E1+2E2 | 
| 256-pole(k) | 3A+2B+3E1+3E2 | 
| 512-pole (l) | 3A+4B+3E1+3E2 |