Let S7 denote the group of permutations of the set {1, 2, 3, 4, 5, 6, 7). Which of the following is true?
1
There are no elements of order 6 in S7
2
There are no elements of order 7 in S7
3
There are no elements of order 8 in S7
4
There are no elements of order 10 in S7