# Polynomial representation of GF(7)?

Why sage would give me polynomial representation of GF(8), but not GF(7)?

```
sage: G = GF(8, 'x')
sage: G.list()
[0, x, x^2, x + 1, x^2 + x, x^2 + x + 1, x^2 + 1, 1]
sage: G = GF(7, 'x')
sage: G.list()
[0, 1, 2, 3, 4, 5, 6]
```

Maybe there's no such thing as polynomial represenation of GF(7)?

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