# Number of irreducible polynomials of degree 4 on $\boldsymbol{Z}_3[x]$. [duplicate]

Find the number of irreducible polynomials of degree 4 in $$\boldsymbol{Z}_3[x]$$.
• How many irreducible polynomials did you find of degrees $2$, $3$, and $4$? – bof Nov 30 '18 at 5:02