#	Algebra (L)	Fundamental group (H)	Generators of H (k)
1	\( 4 A_1 \)	\(Z_2^4\)	0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 0
2	\( 2 C_2 \)	\(Z_2^2\)	0 1 1 0
3	\( 4 A_1^2 \)	\(Z_1\)	0 0 0 0
4	\( 4 A_1^4 \)	\(Z_1\)	0 0 0 0
5	\( A_1+C_2+A_1^4 \)	\(Z_2^2\)	0 1 0 1 0 0
6	\( C_2+A_1^2+A_1^4 \)	\(Z_2\)	1 0 0
7	\( 3 A_1^2+A_1^4 \)	\(Z_1\)	0 0 0 0
8	\( 2 A_1+2 A_1^4 \)	\(Z_2^2\)	0 1 0 0 1 0 0 0
9	\( C_2+2 A_1^4 \)	\(Z_2\)	1 0 0
10	\( A_1+A_1^2+2 A_1^4 \)	\(Z_2\)	1 0 0 0
11	\( 2 A_1^2+2 A_1^4 \)	\(Z_1\)	0 0 0 0
12	\( A_1+3 A_1^4 \)	\(Z_2\)	1 0 0 0
13	\( A_1^2+3 A_1^4 \)	\(Z_1\)	0 0 0 0
14	\( 2 C_2^2 \)	\(Z_1\)	0 0
15	\( 2 A_1^2+C_2^2 \)	\(Z_1\)	0 0 0
16	\( A_1^2+A_1^4+C_2^2 \)	\(Z_1\)	0 0 0
17	\( 2 A_1^4+C_2^2 \)	\(Z_1\)	0 0 0