Which of the following statement is false about the given set G = {1, 3, 5, 7} with respect to ⊗8 (Multiplication modulo 8)?
1
G is closed and inverse of 1 is 1
2
G is a group and inverse of 3 is 3
3
G is monoid and inverse of 7 is 7
4
G is a group and Identity element is 3