I assume you mean the sporadic groups? Because the families are all unbounded. There's also this: http://brauer.maths.qmul.ac.uk/Atlas/v3/ http://brauer.maths

I assume you mean the sporadic groups? Because the families are all unbounded. There's also this: http://brauer.maths.qmul.ac.uk/Atlas/v3/ http://brauer.maths.qmul.ac.uk/Atlas/v3/