[r-t] Hudson stuff

[Richard Smith]

Alexander Holroyd wrote:

> > But what about S_7? The groups of order 21 (clearly impossible) and 168?
> > Or M11?
>
> What's M11?

The Mathieu group of order 7920. It's a subgroup of S_11:
<4583697120E,103E7659824>.  And it's the smallest of the 26
sporadic groups (i.e. finite simple groups not part of an
infinite series of simple groups).

Richard