Understanding the square of the group of units for 3-adic numbers
6358
What is the group structure of 3-adic group of the cubes of units?
83747
$2$ out of $3$ property of the unitary group
84017
Is $\sqrt[3]{2}$ contained in $\mathbb{Q}(\zeta_n)$?
108550
Elements of $\mathbb Q(2^{1/3})$
22563
Units and Nilpotents
30401
Determining the structure of the quotient ring $\mathbb{Z}[x]/(x^2+3,p)$
105322
Computing the quotient of SL(2,Z) by its commutator subgroup
158356
Need a proofreading why all the units are satisfied $a^2-2b^2 =\pm1$ for $\mathbf{Z}[\sqrt{2}]$
148904
Groups of order $p^3$
68728
Why does the natural ring homomorphism induce a surjective group homomorphism of units?
61732
Prove any group with 3 elements is isomorphic to $\mathbb{Z}_3$
33455
Question on group homomorphisms involving the standard Z-basis
54358
Why $(1-\zeta)$ unit where $\zeta$ is a primitive nth and n divisible by two primes
2235
Showing $\text{Aut}_\mathsf{Grp}(\mathbb{Z}/2\mathbb{Z} \times \mathbb{Z}/2\mathbb{Z}) \cong S_3$
130826
Computing class group of $\mathbb Q(\sqrt{6})$
91222
Isomorphism between $\mathfrak o(4,\mathbb R)$ and $\mathfrak o (3,\mathbb R) \oplus\mathfrak o (3,\mathbb R) $
20613
Units (invertibles) of polynomial rings over a field