***** a5,1 *****

6 cosets
2 double cosets
Sizes:
0: ()
      [1]	1
1: (1)
      [5]	q + q^2 + q^3 + q^4 + q^5

Neighbours of a point in 0:
1:  [5]		q + q^2 + q^3 + q^4 + q^5

Neighbours of a point in 1:
0:  [1]		1
1:  [4]		-1 + q + q^2 + q^3 + q^4 +
		q^5