New posts in Cyclotomic Polynomials

Does $\Phi_n(\alpha)=0$ in $\Bbb{F}_p$ for some $\alpha\in\mathbb{F}_p$ imply that $\mathrm{ord}_p(\alpha) = n$?

Is there a nice general formula for $\int \frac{dx}{x^n-1}$ and/or $\int \frac{dx}{\Phi_n(x)}$?

Determining whether $\Phi_7(x)$ is irreducible over $\mathbb{F}_{11}$

Spotting that $\,x^8 + x^7 + 1\,$ is reducible.

Proving that cyclotomic polynomials have integer coefficients

Finite-order elements of $\text{GL}_4(\mathbb{Q})$

Coefficient of $n$th cyclotomic polynomial equals $-\mu(n)$

Minimal Polynomial of $\zeta+\zeta^{-1}$

Cyclotomic Polynomials and GCD