OurBigBook.comSite Source code

Faithful irreducible representation of D8

For

D_{8} = ⟨ r, s : r^{4} = s^{2} = 1, srs = r^{- 1} ⟩

, the matrices

r ⟼ (i 0 0 - i), s ⟼ (0110)

define a faithful irreducible two-dimensional complex representation.

 Ancestors (8)

 Incoming links (1)

Solution