sporadic group
in mathematics, one of the 26 exceptional finite simple groups
pariah group
sporadic group that is not a subquotient of the monster group
baby monster group
simple finite group
McLaughlin group
sporadic simple group
Held group
sporadic simple group
Conway group
three sporadic simple groups that occur as stabilizers of certain structures on the Leech lattice
Suzuki sporadic group
mathematical group
Lyons group
one of the 26 sporadic groups
monster group
the largest sporadic finite simple group; the automorphism group of the monster vertex algebra
Mathieu group
five sporadic simple groups
Thompson sporadic group
a sporadic simple group
Janko group
one of four sporadic groups discovered or conjectured by Z. Janko
Fischer group
one of three sporadic groups described by Fischer