Following this question that asserts that Λ (the transformation matrix in Lorentz group) is not a tensor, then if Λμ ν is THE Lorentz transformation matrix, what is the meaning of Λμν, Λ νμ and Λμν ?
I know how are they related to Λμ ν, for example: Λμν=ημσΛσ ν.
Considering the fact that η is indeed a tensor and Λ is "just a number" (well, just a matrix), does this mean that Λμν is a tensor in the same way that if →r is an ordinary 3D vector and a∈R just a number then →a=a→r is a vector?
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