Extensions 1→N→G→Q→1 with N=C4.D4 and Q=C4

Direct product G=N×Q with N=C4.D4 and Q=C4

Semidirect products G=N:Q with N=C4.D4 and Q=C4
extensionφ:Q→Out NdρLabelID
C4.D4⋊C4 = C42.D4φ: C4/C1C4 ⊆ Out C4.D4164+C4.D4:C4128,134
C4.D42C4 = C24.21D4φ: C4/C2C2 ⊆ Out C4.D432C4.D4:2C4128,588
C4.D43C4 = C4.D43C4φ: C4/C2C2 ⊆ Out C4.D432C4.D4:3C4128,663
C4.D44C4 = C42.427D4φ: C4/C2C2 ⊆ Out C4.D4164C4.D4:4C4128,664
C4.D45C4 = C24.5D4φ: C4/C2C2 ⊆ Out C4.D432C4.D4:5C4128,122
C4.D46C4 = C23.5C42φ: trivial image324C4.D4:6C4128,489

Non-split extensions G=N.Q with N=C4.D4 and Q=C4
extensionφ:Q→Out NdρLabelID
C4.D4.C4 = C42.2D4φ: C4/C1C4 ⊆ Out C4.D4164C4.D4.C4128,135
C4.D4.2C4 = M4(2).40D4φ: C4/C2C2 ⊆ Out C4.D4324C4.D4.2C4128,590
C4.D4.3C4 = C23.3C42φ: C4/C2C2 ⊆ Out C4.D4324C4.D4.3C4128,124