Browsing by Subject "Alternating group"
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(Springer, 2017)This paper is dealing with two split extensions of the form 28:A9. We refer to these two groups by G¯¯¯¯1 and G¯¯¯¯2. For G¯¯¯¯1, the 8-dimensional GF(2)-module is in fact the deleted permutation module for A9. We firstly ...