Abstract
We classify the irreducible projective representations of symmetric and alternating groups of minimal possible and second minimal possible dimensions, and get a lower bound for the third minimal dimension. On the way we obtain some new results on branching which might be of independent interest.
Citation
Alexander S. Kleshchev. Pham Huu Tiep. "Small-dimensional projective representations of symmetric and alternating groups." Algebra Number Theory 6 (8) 1773 - 1816, 2012. https://doi.org/10.2140/ant.2012.6.1773
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