Abstract
An extension of our phenomenological study of baryon resonance production by neutrinos is carried out to include the relativistic generalizations of $\mathrm{SU}(6)$. The semileptonic weak-interaction Lagrangian invariant under the group $SL(6, c)$ is constructed for the 364-to-364 supermultiplet transitions. Two special cases are considered for this interaction Lagrangian: One invokes invariance under the larger group $M(12)$, while the other includes a simple $M(12)$ symmetry-breaking term. Detailed comparisons with the present experimental information on weak ${N}^{*}$ production and with the $\mathrm{SU}(6)$ theory are made for each of these relativistic symmetry schemes.
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