[GAP Forum] RootsOfPolynomialAsRadicals - nffactor: the PARI stack overflows

[John McKay]

Your examples of type f:= x^6+ax+b

have galois group (use maple) S3 wr S3 of order 72.

    Solvable 6-ic polynomials are treated by Tom Hagedorn

 in J.Alg  (2000) 233 pp 704-757.

 Lesser degree polynomials are treated in the book by Dummit & Foote.

 John