Timeline for Largest permutation group without 2-cycles or 3-cycles
Current License: CC BY-SA 3.0
4 events
when toggle format | what | by | license | comment | |
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Jan 11, 2013 at 5:19 | vote | accept | rishig | ||
Jan 11, 2013 at 5:19 | |||||
Jan 10, 2013 at 9:42 | comment | added | Michael Giudici | It is known that the only primitive group on $n$ points containing a 2-cycle is $S_n$ and any primitive group containing a 3-cycle contains $A_n$. These are classical regults going back to Jordan. Thus any primitive group other than $A_n$ or $S_n$ has no 2-cycles or 3-cycles. There are very good upper bounds on the order of primitive group. The best is by Maroti which says that for such primitive groups one of the following holds: - G is a Mathieu group $M_n$ for $n=11,12,23,24$ -G is a subgroup of $S_m wr S_k$ with $n=m^k$, $m\geq 5$ and $k\geq 2$ -|G|\leq n^{1+\lfloor log_2(n)\rfloor}$ | |
Jan 10, 2013 at 3:31 | history | edited | Dima Pasechnik | CC BY-SA 3.0 |
bigger group!
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Jan 10, 2013 at 3:21 | history | answered | Dima Pasechnik | CC BY-SA 3.0 |