Summary of groups of automorphisms of 11 non-isomorphic systems of type F5 System 1 has group of order 640 System 2 has group of order 8 System 3 has group of order 16 System 4 has group of order 16 System 5 has group of order 8 System 6 has group of order 8 System 7 has group of order 8 System 8 has group of order 4 System 9 has group of order 20 System 10 has group of order 10 System 11 has group of order 8