***** a7,3 ***** 56 cosets 4 double cosets Sizes: 0: () [1] 1 1: (3) [15] q + 2q^2 + 3q^3 + 3q^4 + 3q^5 + 2q^6 + q^7 2: (3423) [30] q^4 + 2q^5 + 4q^6 + 5q^7 + 6q^8 + 5q^9 + 4q^10 + 2q^11 + q^12 3: (345234123) [10] q^9 + q^10 + 2q^11 + 2q^12 + 2q^13 + q^14 + q^15 Neighbours of a point in 0: 1: [15] q + 2q^2 + 3q^3 + 3q^4 + 3q^5 + 2q^6 + q^7 Neighbours of a point in 1: 0: [1] 1 1: [6] -1 + q + 2q^2 + 2q^3 + q^4 + q^5 2: [8] q^3 + 2q^4 + 2q^5 + 2q^6 + q^7 Neighbours of a point in 2: 1: [4] 1 + 2q + q^2 2: [8] -1 - q + q^2 + 3q^3 + 3q^4 + 2q^5 + q^6 3: [3] q^5 + q^6 + q^7 Neighbours of a point in 3: 2: [9] 1 + 2q + 3q^2 + 2q^3 + q^4 3: [6] -1 - q - q^2 + q^3 + 2q^4 + 3q^5 + 2q^6 + q^7