MO640 - Multiple-choice question
Given the permutation α below and its inverse, choose the CORRECT statement.
a. β = (2,4,5) is a cycle that divides both α and α-1.
b. β = (4,2,1) is a cycle that divides α but not α-1.
c. β = (1,3,5) is a cycle that divides α but not α-1.
d. β = α-1 is a cycle that divides α.
e. None of the above.
Original idea by: Raphael Cristofaro
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