Extensions 1→N→G→Q→1 with N=C40.C4 and Q=C2

Direct product G=N×Q with N=C40.C4 and Q=C2

Semidirect products G=N:Q with N=C40.C4 and Q=C2
extensionφ:Q→Out NdρLabelID
C40.C41C2 = D40.C4φ: C2/C1C2 ⊆ Out C40.C4808+C40.C4:1C2320,244
C40.C42C2 = D8⋊F5φ: C2/C1C2 ⊆ Out C40.C4808-C40.C4:2C2320,1071
C40.C43C2 = Q16⋊F5φ: C2/C1C2 ⊆ Out C40.C4808+C40.C4:3C2320,1079
C40.C44C2 = SD163F5φ: C2/C1C2 ⊆ Out C40.C4808C40.C4:4C2320,1074
C40.C45C2 = M4(2).1F5φ: C2/C1C2 ⊆ Out C40.C4808C40.C4:5C2320,1067
C40.C46C2 = (C8×D5).C4φ: trivial image804C40.C4:6C2320,1062

Non-split extensions G=N.Q with N=C40.C4 and Q=C2
extensionφ:Q→Out NdρLabelID
C40.C4.1C2 = Dic20.C4φ: C2/C1C2 ⊆ Out C40.C41608-C40.C4.1C2320,248
C40.C4.2C2 = C804C4φ: C2/C1C2 ⊆ Out C40.C4804C40.C4.2C2320,185
C40.C4.3C2 = C805C4φ: C2/C1C2 ⊆ Out C40.C4804C40.C4.3C2320,186