UGC NET November 2020 Paper1
October 4, 2023UGC NET November 2020 Paper1
October 4, 2023SetTheory
Question 1

Let G be a group of 35 elements. Then the largest possible size of a subgroup of G other than G itself is ______.
7

Question 1 Explanation:
Lagrange’s Theorem:
If ‘H” is a subgroup of finite group (G,*) then O(H) is the divisor of O(G).
If ‘H” is a subgroup of finite group (G,*) then O(H) is the divisor of O(G).
Given that the order of group is 35. Its divisors are 1,5,7,35.
It is asked that the size of largest possible subgroup other than G itself will be 7.
Correct Answer: A
Question 1 Explanation:
Lagrange’s Theorem:
If ‘H” is a subgroup of finite group (G,*) then O(H) is the divisor of O(G).
If ‘H” is a subgroup of finite group (G,*) then O(H) is the divisor of O(G).
Given that the order of group is 35. Its divisors are 1,5,7,35.
It is asked that the size of largest possible subgroup other than G itself will be 7.
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