[GAP Forum] How to work in the two-element field F_2 in GAP.

[Sandeep Murthy]

Hi,

Creating finite fields is described in section 59.3 of
the GAP reference manual.

GaloisField(2) (also GF(2)) will get you the field of
two elements 0,1.

Sandeep.


Jianrong Li wrote:
> Dear Forum,
>
> I want to work over the field F_2 with only two elements 0, 1. 1+1=0.
>
> I have matrices with entries 0, 1. The multiplication of the matrices are
> over F_2.
>
> I would like to define the default field as F_2. How could I do that in GAP?
>
> I tried DefaultField(Z(2)). But it seems that this doesn't work.
>
> Thank you very much.
>
> Best wishes,
> Jianrong.
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