A finite group 
is quasisimple if ![L=[L,L]](/images/equations/QuasisimpleGroup/Inline2.svg)
and 
is a simple group.
Quasisimple Group
See also
Component, Finite Group, Simple GroupExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Quasisimple Group." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/QuasisimpleGroup.html