Z (6)rar File

In a military context, is a well-known motorized infantry battalion of the Australian Army. winrar/rar.txt at master · Aerovin/winrar - GitHub

3. Military: 6th Battalion, Royal Australian Regiment (6 RAR) z (6)rar

It contains subgroups of order 1, 2, 3, and 6 (e.g., is a subgroup of order 3). In a military context, is a well-known motorized

It is a cyclic group of order 6. It is not a field because 6 is not prime (it has "zero divisors" like In a military context