How many elements does $\mathbb{Z}_2[x]/(f)$ have?
93773
How many elements are in the quotient ring $\frac{\mathbb Z_3[x]}{\langle 2x^3+ x+1\rangle} $
53168
Surjective, Injective, Bijective Functions from $\mathbb Z$ to itself
31933
$x^2 = 1$ in the ring $\mathbb{Z}/n \mathbb{Z}$
138258
What is the injective envelope of $\mathbb{Z}/n\mathbb{Z}$?
147827
How to calculate $|\operatorname {SL}_2(\mathbb Z/N\mathbb Z)|$?
122932
When $(\mathbb{Q}(\zeta_n) : \mathbb{Q}) = 2$?
50412
Prime elements in $\mathbb{Z}/n\mathbb{Z}$
133019
Nilpotent elements in $\mathbb Z_n$
61292
How to know which elements are in the Quotient Ring $\mathbb{Z}[x]/\langle x, 2\rangle$?
138026
To show that $n!f(x) \in \mathbb{Z}[x]$
116943
Proof for maximal ideals in $\mathbb{Z}[x]$
59134
Proving idempotent elements in $\mathbb{Z}_n$
140557
Counting ring homomorphisms from $\mathbb{Z}[x,y]/(x^3+y^2-1)$ to $\mathbb{Z_7}$
18752
How many elements $x$ in the field $\mathbb{ Z}_{11}$ satisfy the equation $x^{12} - x^{10} = 2$?
19740
What's are all the prime elements in Gaussian integers $\mathbb{Z}[i]$
99423
Is it true every ideal of $\mathbb{Z}[x]$ is finitely generated?
15000
Show that number of elements in $(Z/nZ)^*$ is $\phi (n)$