Reprint of: Is the projective cover of the trivial module in characteristic 11 for the sporadic simple Janko group J4 a permutation module?
We determine the ordinary character of the projective cover of the trivial module in characteristic 11 for the sporadic simple Janko group J 4 , and answer the question posed in the title.
Authors
- Jürgen Müller
Institutions
- RWTH Aachen University (DE)
Publication Details
- Journal
- Journal of Algebra
- Published
- 2026-05-01
- DOI
- https://doi.org/10.1016/j.jalgebra.2026.04.040
- Primary Topic
- Algebraic structures and combinatorial models
- Type
- article
- Field-Weighted Citation Impact
- 0.00