[0 0 0] [0 1 2] [0 2 1] Order of automorphism group: 54 The automorphism group has centre of order: 3 Number of regular subgroups: 2 Number of regular subgroups containing the center: 2 Expanded design is group developed over / Matrix is cocyclic over the following groups/ Extension splits: <9, 2> <3, 1> true <9, 2> <3, 1> true