Quiz:Subgroup structure of special linear group:SL(2,5)

For background, see subgroup structure of special linear group:SL(2,5).

Basic stuff
Summary table on the structure of subgroups:

{For which of the following divisors of 120 does there not exist a subgroup of $$SL(2,5)$$ with that as order? - 10 - 12 - 20 - 24 + 30
 * type=""}