“…The most important structure theorem for finite groups is the Jordan-Holder Theorem, which states that any finite group is built up from finite simple groups. The importance of this structure is that the properties of the subgroups of a given finite group G suggest substantial information about the group G itself such as the nilpotence and the solvability of G, see [3], [1], [5], [4], [21], [16] and [15]. In particular, having the property of simplicity of the group G can be deduced by investigating its subgroups.…”