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Apr 22, 2015 at 15:34 comment added Bobby Grizzard I think the most natural action of the group you say is permutations of a set with $p$ elements (it's the "affine general linear group" AGL(1,$p$)). This action is easy to understand. So the group could permute $p$ of the variables in a nice way...
Apr 22, 2015 at 15:09 comment added YCor $C_p^*$ is particularly awkward because it makes use of a choice of field structure on $C_p$ (which is determined only after the choice of some generator devoted to be the multiplicative unit)
Apr 22, 2015 at 11:51 history edited Yemon Choi
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Apr 22, 2015 at 11:50 comment added Yemon Choi What do you want to know about these group actions? Please try to find a more focused question
Apr 22, 2015 at 9:34 history edited Prince_Preston CC BY-SA 3.0
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Apr 22, 2015 at 9:22 review First posts
Apr 22, 2015 at 9:24
Apr 22, 2015 at 9:18 history asked Prince_Preston CC BY-SA 3.0