Every Group of Order 12 Has a Normal Subgroup of Order 3 or 4
Problem 566
Let $G$ be a group of order $12$. Prove that $G$ has a normal subgroup of order $3$ or $4$.
Add to solve laterLet $G$ be a group of order $12$. Prove that $G$ has a normal subgroup of order $3$ or $4$.
Add to solve later