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SL2(R)

Group of real 2×2 matrices with unit determinant In mathematics, the special linear group SL(2, R) or SL2(R) is the group of 2 × 2 real matrices with determinant one: SL ( 2 , R ) = { ( a b c d ) : a , b , c , d ∈ R and a d − b c = 1 } .

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