Name(s): t21n7
Order: 63 = 32 · 7
Parity: 1
|Aut(K)|=|CS21(G)|= 3
Subfields: 3T1, 7T3
Other representations: 21T7, 21T7
Resolvents 3: 3T1, 3T1, 3T1, 3T1 9: 9T2 21: 7T3