Browsing by Author "Moori, Jamshid"

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    Some Irreducible 2-Modular Codes invariant Under The Symplectic Group S6(2)
    (GLASNIK MATEMATIˇ CKI, 2014-01-01) Chikamai, Lucy W.; Moori, Jamshid; Rodrigues, Bernardo G.
    We examine all non-trivial binary codes and designs obtained from the 2-modular primitive permutation representations of degrees up to 135 of the simple projective special symplectic group S6(2). The submodule lattice of the permutation modules, together with a comprehensive description of each code including the weight enumerator, the automorphism group, and the action of S6(2) is given. By considering the structures of the stabilizers of several codewords we attempt to gain an insight into the nature of some classes of codewords in particular those of minimum weight.