Suppose G is a group of order 60 whose class equation is 60

Show transcribed image text Problem 3. Suppose G is a group of order 60 whose class equation is 60 1+12 + 12 + 15 + 20. Prove that G has no non-trivial proper normal subgroups.
Problem 3. Suppose G is a group of order 60 whose class equation is 60 1+12 + 12 + 15 + 20. Prove that G has no non-trivial proper normal subgroups.





