# Pages that link to "Union of three proper subgroups is the whole group implies they have index two and form a flower arrangement"

The following pages link to **Union of three proper subgroups is the whole group implies they have index two and form a flower arrangement**:

- Union of three subgroups is the whole group implies they have index two and form a flower arrangement (redirect page) (← links)
- B.H.Neumann's lemma (← links)
- Scorza's theorem (redirect page) (← links)
- There is no group that is a union of seven proper subgroups but not a union of fewer proper subgroups (← links)