Central product of D8 and Z12

Definition
This group is defined in the following equivalent ways:


 * 1) It is the central product of defining ingredient::dihedral group:D8 and defining ingredient::cyclic group:Z12 with a common cyclic central subgroup of order two.
 * 2) It is the external direct product of defining ingredient::central product of D8 and Z4 (GAP ID: (16,13)) and defining ingredient::cyclic group:Z3.