Up quark

Description of tetrahedrons

This group consists of the following 15 tetrahedrons.

(1)


(2)


(41)


(42)


(4141)



(4242)

(14141)*
(24141)
(24241)
(14142)
(14242)
(24242)*
(414141)**
(424141)
(424241)
(414142)
(414242)
(424242)**

* all these matrices are the same as (4) so only one is counted
** all these matrices are the identity matrix so none are counted

A projection of this shape onto a plane follows.