Groups and FieldsHardGalois Theory ShareGalois Theory · Hard problemWhat is the order of the Galois group of x5−1x^5-1x5−1 over Q\mathbb QQ, and is it solvable?AOrder 555, solvableBOrder 120120120, not solvableCOrder 444, solvableDOrder 202020, solvableCheck Show answer Walk through it step by step Practice more like this Review this concept