Symmetry Group of Equilateral Triangle/Cayley Table

Cayley Table
The Cayley table of the symmetry group of the equilateral triangle can be written:


 * $\begin{array}{c|cccccc}

& e & p & q & r & s & t \\ \hline e & e & p & q & r & s & t \\ p & p & q & e & s & t & r \\ q & q & e & p & t & r & s \\ r & r & t & s & e & q & p \\ s & s & r & t & p & e & q \\ t & t & s & r & q & p & e \\ \end{array}$