Phi1 := q-1;
Phi2 := q+1;
Phi3 := q^2+q+1;
Phi4 := q^2+1;
Phi5 := q^4+q^3+q^2+q+1;
Phi6 := q^2-q+1;
Phi7 := q^6+q^5+q^4+q^3+q^2+q+1;
Phi8 := q^4+1;
Phi9 := q^6+q^3+1;
Phi10 := q^4-q^3+q^2-q+1;
Phi11 := q^10+q^9+q^8+q^7+q^6+q^5+q^4+q^3+q^2+q+1;
Phi12 := q^4-q^2+1;
Phi13 := q^12+q^11+q^10+q^9+q^8+q^7+q^6+q^5+q^4+q^3+q^2+q+1;
Phi14 := q^6-q^5+q^4-q^3+q^2-q+1;
Phi15 := q^8-q^7+q^5-q^4+q^3-q+1;
Phi16 := q^8+1;
Phi18 := q^6-q^3+1;
Phi20 := q^8-q^6+q^4-q^2+1;
Phi21 := q^12-q^11+q^9-q^8+q^6-q^4+q^3-q+1;
Phi22 := q^10-q^9+q^8-q^7+q^6-q^5+q^4-q^3+q^2-q+1;
Phi24 := q^8-q^4+1;
Phi25 := q^20+q^15+q^10+q^5+1;
Phi26 := q^12-q^11+q^10-q^9+q^8-q^7+q^6-q^5+q^4-q^3+q^2-q+1;
Phi27 := q^18+q^9+1;
Phi28 := q^12-q^10+q^8-q^6+q^4-q^2+1;
Phi30 := q^8+q^7-q^5-q^4-q^3+q+1;