Cyclic group:Z18

Definition
This group, denoted $$C_{18}$$, $$\Z_{18}$$, $$\Z/18\Z$$, is defined in the following equivalent ways:


 * 1) It is the direct product of cyclic group of order nine and cyclic group of order two.
 * 2) It is the cyclic group of order $$18$$.

Other descriptions
The group can be defined using GAP's CyclicGroup function:

CyclicGroup(18)