# Algebra (L) Fundamental group (H) Generators of H (k)
1 \( 3 A_1+A_2 \) \(Z_2\)
0 1 1 0
2 \( A_1+2 A_2 \) \(1\)
3 \( 2 A_1+A_3 \) \(Z_2\)
0 0 2
4 \( A_2+A_3 \) \(1\)
5 \( A_2+A_3 \) \(Z_2\)
0 2
6 \( A_1+A_4 \) \(1\)
7 \( A_5 \) \(1\)
8 \( A_1+D_4 \) \(Z_2\)
0 s
9 \( D_5 \) \(1\)
10 \( D_5 \) \(Z_2\)
2
11 \( 2 A_1+A_2+A_1^4 \) \(1\)
12 \( 2 A_2+A_1^4 \) \(1\)
13 \( A_1+A_3+A_1^4 \) \(1\)
14 \( A_4+A_1^4 \) \(1\)
15 \( D_4+A_1^4 \) \(1\)
16 \( 3 A_1+2 A_1^4 \) \(1\)
17 \( A_1+A_2+2 A_1^4 \) \(1\)
18 \( A_3+2 A_1^4 \) \(1\)