Let K be a group with 8 elements. Let H be a subgroup of K and H<K. It is known that the size of H is at least 3. The size of H is __________
A. 8
B. 2
C. 3
D. 4
Answer:D
Let K be a group with 8 elements. Let H be a subgroup of K and H<K. It is known that the size of H is at least 3. The size of H is __________
A. 8 B. 2 C. 3 D. 4