A group G is integrable if it is isomorphic to the derived subgroup of a group H; that is, if H' similar or equal to G, and in this case H is an integral of G. If G is a subgroup of U, we say that G is integrable within U if G = H' for some H <= U. In this work we focus on two problems posed in Araujo et al. (Israel J Math 234:149-178, 2019). We classify the almost-simple finite groups G that are integrable, which we show to be equivalent to those integrable within Aut(S), where S is the socle of G. We then classify all 2-homogeneous subgroups of the finite symmetric group S-n that are integrable within S-n.
On some questions related to integrable groups / Blyth, RD; Fumagalli, F; Matucci, F. - In: ANNALI DI MATEMATICA PURA ED APPLICATA. - ISSN 0373-3114. - STAMPA. - (2023), pp. 0-0. [10.1007/s10231-022-01300-z]
On some questions related to integrable groups
Blyth, RD;Fumagalli, F
;Matucci, F
2023
Abstract
A group G is integrable if it is isomorphic to the derived subgroup of a group H; that is, if H' similar or equal to G, and in this case H is an integral of G. If G is a subgroup of U, we say that G is integrable within U if G = H' for some H <= U. In this work we focus on two problems posed in Araujo et al. (Israel J Math 234:149-178, 2019). We classify the almost-simple finite groups G that are integrable, which we show to be equivalent to those integrable within Aut(S), where S is the socle of G. We then classify all 2-homogeneous subgroups of the finite symmetric group S-n that are integrable within S-n.File | Dimensione | Formato | |
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