# Archives

## Deficiency minus one presentation for the Tits Group

Submitted by Paul Timmons on Sun, 05/02/2021 - 04:27.Note that the simple group T (named for Jacques Tits) of order 17971200

has a transitive permutation representation on 2304 points.

A general formula for the number of edges in a n-cube is n.2^(n-1) to

be found in this extract from "Beyond the Third Dimension" by Thomas Banchoff

https://www.math.brown.edu/tbanchof/Beyond3d/chapter4/section05.html

It is worth mentioning another source here for a general formula

for the number of pieces of different types on a d-dimensional Rubiks' cube

has a transitive permutation representation on 2304 points.

A general formula for the number of edges in a n-cube is n.2^(n-1) to

be found in this extract from "Beyond the Third Dimension" by Thomas Banchoff

https://www.math.brown.edu/tbanchof/Beyond3d/chapter4/section05.html

It is worth mentioning another source here for a general formula

for the number of pieces of different types on a d-dimensional Rubiks' cube