1 a b 45. let g = 0 1 c:a,b,c e z, forms a group under matrix multiplication. then 0 0 1 centre is proper normal subgroup of g. (a) (b) inn g is non-abelian (c)

1 a b 45. Let G = 0 1 c:a,b,c e Z, forms a group under matrix multiplication. Then 0 0 1 Centre is proper normal subgroup of G. (A) (B) Inn G is non-abelian (C) No. of conjugate classes of G is 29. (D) G is not simple.