Groups and FieldsEasyCosets and Lagrange's Theorem ShareCosets and Lagrange's Theorem · Easy problemA subgroup HHH of a group GGG has order 999, and [G:H]=5[G:H]=5[G:H]=5. What is ∣G∣|G|∣G∣?Check Show answer Walk through it step by step Practice more like this Review this concept