On Mon, Aug 27, 2012 at 12:05 PM, Chris Smith <[email protected]> wrote:

...

>
> Note that at least one author (
> http://www.usna.edu/Users/math/wdj/tonybook/gpthry/node13.html ) gets
> this wrong, reconstructing the *cycle* by reading right to left. To
> get the right permutation, apply permutations from right to left for a
> given cycle notation; to get the cycle notation correct, read from
> left to right. The example is
>
> (1,2)*(2,4,5)*(1,3)*(1,2,5)
>

Agreed, Tony gets it wrong. Here is the correct answer, according to Gap,
which is also exactly what you say it should be:

gap> (1,2)*(2,4,5)*(1,3)*(1,2,5);
(1,4)(2,3)

I'll tell him  - thanks.

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