Polynomial $p$ $e$ $f$ $c$ Galois group Slope content
x13 - x + 4 19 1 13 0 $C_{13}$ $[\ ]^{13}$
x13 - 52x12 + 1248x11 - 18304x10 + 183040x9 - 1317888x8 + 7028736x7 - 28114944x6 + 84344832x5 - 187432960x4 + 299892736x3 - 327155712x2 + 218103808x - 67108883 19 13 1 12 $F_{13}$ $[\ ]_{13}^{12}$