Elements and structure of $\text{Gal}(\mathbb Q(\zeta_{21}):\mathbb Q)$
56647
Structure of $Gal(\mathbb{Q}(\zeta_{15})/\mathbb{Q})$?
93760
There is an element of order $51$ in the multiplicative group $(Z/103Z)^∗.$
64179
What is the difference between the standard representants of $\mathbb Z/q\mathbb Z$?
98256
Subfields of $\mathbb{Q}(\sqrt{2},\sqrt{3})$
19884
The units of $\mathbb Z_4[x]$
37677
Radical of $\mathfrak{gl}_n$
12524
Galois group of $x^3 - 2 $ over $\mathbb Q$
73713
Prove that $\mathbb{Q}(\sqrt{(2+\sqrt{2})(3+\sqrt{3})})$ is Galois over $\mathbb{Q}$ is Galois and determine the Galois group
109596
Isomorphism from $\mathrm{Aut}(\mathbb{Z}/2\mathbb{Z}\times \mathbb{Z}/2\mathbb{Z})$ to $S_3$
93773
How many elements are in the quotient ring $\frac{\mathbb Z_3[x]}{\langle 2x^3+ x+1\rangle} $
149578
Subgroups of $(\mathbb Z_n,+)$
68753
Elements in finite field extensions
118310
How to find $\operatorname{Gal}(S/\mathbb{Q})$
3317
Subgroup generated by $2$ and $7$ in $(\mathbb Z,+)$
39096
Primitive elements of GF(8)
22084
$\mathbb{Z}[i] / (2+3i)$ has 13 elements
50530
Finding Galois group of $K=\Bbb{Q}(\omega,\sqrt2)$, showing that $K=\Bbb{Q}(\omega\sqrt2)$, and finding $\operatorname{min}(\omega\sqrt2,\Bbb{Q})$