[GAP Forum] DirectFactorsOfGroup

Bob Heffernan bob.heffernan at gmail.com
Mon Feb 21 22:34:58 GMT 2022


On 22-02-17 22:29, Horvath Gabor wrote:
> Current implementation is based on some tweaks and then computing all normal
> subgroups, because most of the cases the Kayal-Nezhmetdinov algorithm
> performed slower. That algorithm can still be called with the useKN option
> if someone wants to.

Horvath,

Thank you for the information.

I'm glad to know that DirectFactorsOfGroup can be trusted.

It performs quickly enough for the groups I was looking at (which were all solvable groups with orders less than 1500).

Best regards,
Bob



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