The O'Nan group is a sporadic finite simple group of order 460815505920. It is among the pariahs, not being a subquotient of the Monster. It was discovered by Michael O'Nan in 1976.
The ONanGroup() command returns a permutation group isomorphic to the O'Nan group.
In the Standard Worksheet interface, you can insert this group into a document or worksheet by using the Group Constructors palette.
The GroupTheory[ONanGroup] command was introduced in Maple 17.
For more information on Maple 17 changes, see Updates in Maple 17.
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