# Algebra (L) Fundamental group (H) Generators of H (k)
1 \( 5 A_1 \) \(Z_2^4\)
0 0 0 1 1
0 0 1 0 1
0 1 0 0 1
1 0 0 0 0
2 \( 5 A_1 \) \(Z_2^4\)
0 0 0 1 1
0 0 1 0 1
0 1 0 0 1
1 0 0 0 1
3 \( 5 A_1^4 \) \(Z_1\)
0 0 0 0 0
4 \( D_4+A_1^4 \) \(Z_2^2\)
s 0
c 0
5 \( 3 A_1+2 A_1^4 \) \(Z_2^2\)
0 1 1 0 0
1 0 1 0 0
6 \( A_3+2 A_1^4 \) \(Z_2\)
2 0 0
7 \( 2 A_1+3 A_1^4 \) \(Z_2\)
1 1 0 0 0
8 \( A_2+3 A_1^4 \) \(Z_1\)
0 0 0 0
9 \( A_1+4 A_1^4 \) \(Z_1\)
0 0 0 0 0