IIT JAM
Mahima Asked a Question
February 11, 2021 9:55 ampts 30 pts
  • IIT JAM
  • Mathematics (MA)

25. let p be a prime number. let g be the group of all 2"2 matrices over z, with determinant 1 under matrix multiplication. then the order of g is (b) p(p-1) (a

25. Let p be a prime number. Let G be the group of all 2"2 matrices Over Z, with determinant 1 under matrix multiplication. Then the order of G is (B) p(p-1) (A) (p-1)p(p+1) (D) p(p-1) +P (C)
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  • Satpal singh
    see this attachment
    • cropped6587334173081123751.jpg
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  • Piyush pachauri
    Any doubt then you can ask
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  • Piyush pachauri
    Option A is correct . It is (p^2-1)(p^2-p)/(p-1)
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  • Deepak singh Best Answer
    Refer attachment , option a is correct
    • cropped4123239126696644116.jpg
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