Name(s): t20n123
Order: 480 = 25 · 3 · 5
Parity: -1
|Aut(K)|=|CS20(G)|= 4
Subfields: 2T1, 4T1, 5T5, 10T22
Other representations: 20T123
Resolvents 2: 2T1, 2T1, 2T1 4: 4T1, 4T1, 4T2 8: 8T2 120: 5T5 240: 10T22