The simple non-Lie Malcev algebra as a Lie-Yamaguti algebra

The simple 7-dimensional Malcev algebra $M$ is isomorphic to the irreducible $\mathfrak{sl}(2,\mathbb{C})$-module V(6) with binary product $[x,y] = α(x \wedge y)$ defined by the $\mathfrak{sl}(2,\mathbb{C})$-module morphism $α\colon Λ^2 V(6) \to V(6)$. Combining this with the ternary product $(x,y,z) = β(x \wedge y) \cdot z$ defined by the $\mathfrak{sl}(2,\mathbb{C})$-module morphism $β\colon Λ^2 V(6) \to V(2) \approx \s$ gives $M$ the structure of a generalized Lie triple system, or Lie-Yamaguti algebra. We use computer algebra to determine the polynomial identities of low degree satisfied by this binary-ternary structure.

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