Groups and FieldsChallengeGalois Theory ShareGalois Theory · Challenge problemGal(Q(ζ12)/Q)≅U(12)\operatorname{Gal}(\mathbb Q(\zeta_{12})/\mathbb Q)\cong U(12)Gal(Q(ζ12)/Q)≅U(12). How many elements of order 222 does it have?Check Show answer Walk through it step by step Practice more like this Review this concept