the 4 isometry classes of irreducible [10,5,5]_4 codes are: code no 1: ================ 1 1 1 1 1 1 0 0 0 0 2 2 1 1 0 0 1 0 0 0 3 2 1 0 1 0 0 1 0 0 2 0 2 1 1 0 0 0 1 0 1 3 3 2 1 0 0 0 0 1 the automorphism group has order 16 and is strongly generated by the following 3 elements: ( 3 0 0 0 0 1 1 1 1 1 1 0 1 2 2 2 2 3 3 0 1 2 3 0 3 , 1 , 0 0 0 0 2 2 2 1 1 0 0 0 1 0 0 3 3 3 3 3 1 3 3 2 1 , 0 , 0 0 0 3 0 0 0 0 0 2 0 0 2 0 0 2 3 1 0 1 3 3 3 3 3 , 1 ) acting on the columns of the generator matrix as follows (in order): (2, 6)(3, 9)(4, 7)(5, 8), (1, 8, 10, 5)(2, 6, 4, 7), (1, 6, 5, 2, 10, 7, 8, 4) orbits: { 1, 5, 4, 8, 10, 6, 7, 2 }, { 3, 9 } code no 2: ================ 1 1 1 1 1 1 0 0 0 0 2 2 1 1 0 0 1 0 0 0 3 2 1 0 1 0 0 1 0 0 2 0 2 1 1 0 0 0 1 0 3 1 0 3 1 0 0 0 0 1 the automorphism group has order 10 and is strongly generated by the following 2 elements: ( 3 0 0 0 0 1 1 1 1 1 1 0 1 2 2 2 2 3 3 0 1 2 3 0 3 , 1 , 2 2 3 3 0 0 0 0 3 0 0 0 1 0 0 0 3 0 0 0 3 0 3 1 1 , 1 ) acting on the columns of the generator matrix as follows (in order): (2, 6)(3, 9)(4, 7)(5, 8), (1, 7)(2, 4)(5, 9)(8, 10) orbits: { 1, 7, 4, 2, 6 }, { 3, 9, 5, 8, 10 } code no 3: ================ 1 1 1 1 1 1 0 0 0 0 2 2 1 1 0 0 1 0 0 0 3 2 1 0 1 0 0 1 0 0 2 0 3 1 1 0 0 0 1 0 1 2 0 2 1 0 0 0 0 1 the automorphism group has order 10 and is strongly generated by the following 1 elements: ( 3 3 1 1 0 1 2 3 0 3 0 0 0 0 2 0 0 3 0 0 1 1 1 1 1 , 1 ) acting on the columns of the generator matrix as follows (in order): (1, 6, 5, 3, 4, 9, 8, 2, 10, 7) orbits: { 1, 7, 10, 2, 8, 9, 4, 3, 5, 6 } code no 4: ================ 1 1 1 1 1 1 0 0 0 0 2 2 1 1 0 0 1 0 0 0 3 2 1 0 1 0 0 1 0 0 2 0 3 1 1 0 0 0 1 0 1 2 3 2 1 0 0 0 0 1 the automorphism group has order 8 and is strongly generated by the following 2 elements: ( 0 3 0 0 0 0 0 3 0 0 3 2 1 0 1 1 1 1 1 1 0 0 0 0 1 , 0 , 2 2 2 2 2 2 0 1 3 3 2 1 3 1 2 0 0 1 0 0 0 0 0 0 2 , 1 ) acting on the columns of the generator matrix as follows (in order): (1, 8, 3, 2)(4, 10, 9, 6), (1, 9, 2, 10, 3, 4, 8, 6) orbits: { 1, 2, 6, 3, 9, 8, 10, 4 }, { 5 }, { 7 }