[was@modular 04-07-02__cong_prime]$ [was@modular 04-07-02__cong_prime]$ Magma V2.8-10 Sun Apr 7 2002 01:08:16 on modular [Seed = 1489733183] Type ? for help. Type -D to quit. Loading startup file "/home/was/magma/local/emacs.m" Loading "/home/was/magma/local/init.m" > M := ModularSymbols(1,390,GF(389),+1); > S := CS(M); > f3 := HeckePolynomial(S,3); > Discriminant(f3); 0 > S; Modular symbols space of level 1, weight 390, and dimension 32 > factor(f3); [ , , , , , , , , , , , , ] 1 > time f5 := HeckePolynomial(S,5); Time: 1.540 > Discriminant(f5); 0 > time f7 := HeckePolynomial(S,7); Time: 2.640 > f7; x^32 + 2*x^31 + 262*x^30 + 105*x^29 + 84*x^28 + 29*x^27 + 189*x^26 + 309*x^25 + 94*x^24 + 235*x^23 + 179*x^22 + 185*x^21 + 241*x^20 + 104*x^19 + 123*x^18 + 219*x^17 + 20*x^16 + 329*x^15 + 229*x^14 + 54*x^13 + 346*x^12 + 103*x^11 + 36*x^10 + 180*x^9 + 385*x^8 + 338*x^7 + 41*x^6 + 348*x^5 + 349*x^4 + 142*x^3 + 169*x^2 + 13*x + 336 > factor(f7); [ , , , , , , , , , , , ] 1 > time f2 := HeckePolynomial(S,2); Time: 0.410 > factor(f2); [ , , , , , , , , , , , , ] 1 >