***** a7,1 *****

8 cosets
2 double cosets
Sizes:
0: ()
      [1]	1
1: (1)
      [7]	q + q^2 + q^3 + q^4 + q^5 +
		q^6 + q^7

Neighbours of a point in 0:
1:  [7]		q + q^2 + q^3 + q^4 + q^5 +
		q^6 + q^7

Neighbours of a point in 1:
0:  [1]		1
1:  [6]		-1 + q + q^2 + q^3 + q^4 +
		q^5 + q^6 + q^7