[GAP Forum] question

[Mathieu Dutour]

What you should do is number the N elements you are permuting
on from 1 to N.

So, in your case:
0 ----> 1
1 -----> 2
.
.
.
12 -----> 13
Infinity ------> 14.

That way you can use existing Gap commands.
That translation business is absolutely necessary
in order to use GAP.

  Mathieu

On Thursday, December 12, 2013, Eye_sha Khan wrote:

> we have to find the order of the group.we have permutation [
> (1,3,6),(2,4,12),(7),(8,9,10),(11),(0,5, ∞)] second permutation is
> [(0, ∞,12),(1,11,6),(2,5,4),(3),(7,10,8),(9)]
> and third permutation is [(0, ∞),(1,12),(2,6),(7,11),(3,4),(5),(8),(9,10)]
> ;but we cannot write any symbol for infinity in Gap;please tell us which
> symbol we should write in GAP;
> regards
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