Number of distinct elements in $\mathbb{Z}[i]/\langle 3+i \rangle$
6121
Quotient ring of Gaussian integers
16507
Is $\mathbb{Z}= \{\dots -3, -2, -1, 0 ,1 ,2 , 3, \dots \}$ countable?
11564
$\mathbb{Q}(\sqrt{p},\sqrt[3]{q})=\mathbb{Q}(\sqrt{p}\sqrt[3]{q})$ for distinct prime $p,q$
74924
identity element of $(D_n ,\gcd)$
20097
Cardinality of the quotient ring $\mathbb{Z}[x]/(x^2-3,2x+4)$
86922
Ring with 10 elements is isomorphic to $\mathbb{Z}/10 \mathbb{Z} $
77160
How to prove the cosets are distinct?
132133
Number of elements of a finite field
113474
An $n \times n$ matrix $M$ of integers has the property that $M_{ab} = M_{xy}$ iff $a+b=x+y$. How many distinct elements are there in $M$?
23879
If $m$ and $n$ are distinct positive integers, then $m\mathbb{Z}$ is not ring-isomorphic to $n\mathbb{Z}$
8434
Order of $\mathbb{Z}[i]/(1+i)$
61292
How to know which elements are in the Quotient Ring $\mathbb{Z}[x]/\langle x, 2\rangle$?
51770
Number of elements in a finite field extension for finite fields
34424
Determining ring of integers for $\mathbb{Q}[\sqrt{17}]$
14139
$(12)$ and $(123\dots n)$ are generators of $S_n$
91622
Help with proof that $\mathbb Z[i]/\langle 1 - i \rangle$ is a field.
43230
Is $\langle1-i\rangle$ a maximal ideal in $\mathbb{Z}[i]$?