Point Group D
2
Ternary direct products
A⊙
⊙
A
B
1
B
2
B
3
A
A
B
1
B
1
A
B
2
B
2
B
3
A
B
3
B
3
B
2
B
1
A
B
1
⊙
⊙
B
1
B
2
B
3
B
1
B
1
B
2
B
2
B
1
B
3
B
3
A
B
1
B
2
⊙
⊙
B
2
B
3
B
2
B
2
B
3
B
3
B
2
B
3
⊙
⊙
B
3
B
3
B
3