What reason did ABC give for the change in actor?q
The Schur multiplier of 2E6 ( " q " ) is gcd ( 3 , " q " +1 ) ( i.e. , 2E6 , sc ( " q " ) is its Schur cover ) outside of the exceptional case " q " = 2 where it is 22·3 ( i.e. , there is an additional 22-fold cover ) .