chapter  8
11 The Factor + i
Pages 10

Let the three parameters in the transformation formulas (8.29)–(8.32) be equal: a = b = n − a − b − 1, i.e., a = b = n−13 . Then the transformation (8.31) yields, with ρ = 12 + i

2 ,

T (n−13 , n−1 3 , n, ρ) = (ρ− 1)nT (n−13 , n−13 , n, ρ) = ρ2nT (n−13 , n−13 , n, ρ).