x^12-24*x^10-10*x^9+216*x^8+180*x^7-844*x^6-1080*x^5+1056*x^4+2200*x^3+720*x\ ^2-240*x-80Common denominator of the automorphisms:
8Complex polynomial:
x^12+60*x^10+1260*x^8+10900*x^6+34200*x^4+9000*x^2+500Common denominator of the automorphisms:
5000