Hi!

I have been trying to solve this problem for the past three evenings and I cannot understand the notation.

'Describe geometrically the symmetries of the prism represented in cycle form by permutations (14)(23) and (25).

The problem I have is to understand whether it is one permutation or a composition of permutations, so firs (14)(23) would be a reflection in the horizontal plane and then turned by pi/3. but what is confusing for me is that number 2 is here twice, so I am assuming it is a composition. Pleas advise if you can.

______

l\ 1 /l

l \ / l - back 5

l2|3|

\ l /

\ l / \ base 4