A rectangular block has three edges of different lengths,
PHYSICS · Multi-part · Fermi University Physics · Mathematical Methods for Physics · Group theory and symmetry · Group theory and symmetry
Solid State Physics, Ch Symmetry and the classification of crystals
Problem
A rectangular block has three edges of different lengths, a=b=c, meeting at right angles, so no two edges are related by any rotation.
((a)) List every symmetry operation of the block.
((b)) Give the total number of operations and name the point group in Hermann-Mauguin notation.