Orbit invariants and an application to the Baby Monster

Max Neunhoeffer, Felix Noeske, Eamonn O'Brien, Robert Wilson

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


We prove that the minimal base size
for the permutation action of the sporadic simple Baby monster group $B$
on the cosets of its 7th and 8th maximal subgroup is $3$ and $2$
respectively. Motivated by the large sizes of these permutation actions,
we develop new computational methods to prove that an orbit is regular
and to show that two orbits are disjoint.
Original languageEnglish
JournalJournal of Algebra
Publication statusAccepted/In press - 2011


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