<P> If faces are all regular, the hexagonal prism is a semiregular polyhedron, more generally, a uniform polyhedron, and the fourth in an infinite set of prisms formed by square sides and two regular polygon caps . It can be seen as a truncated hexagonal hosohedron, represented by Schläfli symbol t (2, 6). Alternately it can be seen as the Cartesian product of a regular hexagon and a line segment, and represented by the product (6) × (). The dual of a hexagonal prism is a hexagonal bipyramid . </P> <P> The symmetry group of a right hexagonal prism is D of order 24 . The rotation group is D of order 12 . </P> <P> As in most prisms, the volume is found by taking the area of the base, with a side length of a (\ displaystyle a), and multiplying it by the height h (\ displaystyle h), giving the formula: </P> <P> V = 3 3 2 a 2 × h (\ displaystyle V = (\ frac (3 (\ sqrt (3))) (2)) a ^ (2) \ times h) </P>

The number of planes of a regular hexagonal prism is