The GAP package "CRISP" provides algorithsmf roc omputing subgroups of finite solvable groups related to a group class 'C'. In particular, it allows to compute 'C' radicals and 'C'-injectors for Fitting (and Fitting sets) 'C', 'C'-residuals for formations 'C', and 'C'-projectors for Schunck classes 'C'.
Moreover, CRISP contains algorithms for the computation of normal subgroups invariant under a prescribed set of automorphisms and belonging to a given group class.
| Package Version | Update ID | Released | Package Hub Version | Platforms | Subpackages |
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| 1.4.4-bp153.1.12 info | GA Release | 2021-02-26 | 15 SP3 |
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| 1.4.4-bp152.3.13 info | GA Release | 2020-04-16 | 15 SP2 |
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| 1.4.4-bp151.2.10 info | GA Release | 2019-05-18 | 15 SP1 |
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| 1.4.4-bp150.1.3 info | GA Release | 2018-07-30 | 15 |
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