Extensions 1→N→G→Q→1 with N=Q8 and Q=D4

Direct product G=N×Q with N=Q8 and Q=D4
dρLabelID
D4×Q832D4xQ864,230

Semidirect products G=N:Q with N=Q8 and Q=D4
extensionφ:Q→Out NdρLabelID
Q81D4 = C4⋊SD16φ: D4/C4C2 ⊆ Out Q832Q8:1D464,141
Q82D4 = Q8⋊D4φ: D4/C22C2 ⊆ Out Q832Q8:2D464,129
Q83D4 = D4⋊D4φ: D4/C22C2 ⊆ Out Q832Q8:3D464,130
Q84D4 = D44D4φ: D4/C22C2 ⊆ Out Q884+Q8:4D464,134
Q85D4 = Q85D4φ: trivial image32Q8:5D464,229
Q86D4 = Q86D4φ: trivial image32Q8:6D464,231

Non-split extensions G=N.Q with N=Q8 and Q=D4
extensionφ:Q→Out NdρLabelID
Q8.1D4 = C42Q16φ: D4/C4C2 ⊆ Out Q864Q8.1D464,143
Q8.2D4 = Q8.D4φ: D4/C4C2 ⊆ Out Q832Q8.2D464,145
Q8.3D4 = D4.3D4φ: D4/C4C2 ⊆ Out Q8164Q8.3D464,152
Q8.4D4 = D4.4D4φ: D4/C4C2 ⊆ Out Q8164+Q8.4D464,153
Q8.5D4 = D4.5D4φ: D4/C4C2 ⊆ Out Q8324-Q8.5D464,154
Q8.6D4 = C22⋊Q16φ: D4/C22C2 ⊆ Out Q832Q8.6D464,132
Q8.7D4 = D4.7D4φ: D4/C22C2 ⊆ Out Q832Q8.7D464,133
Q8.8D4 = D4.8D4φ: D4/C22C2 ⊆ Out Q8164Q8.8D464,135
Q8.9D4 = D4.9D4φ: D4/C22C2 ⊆ Out Q8164Q8.9D464,136
Q8.10D4 = D4.10D4φ: D4/C22C2 ⊆ Out Q8164-Q8.10D464,137
Q8.11D4 = D4○D8φ: trivial image164+Q8.11D464,257
Q8.12D4 = D4○SD16φ: trivial image164Q8.12D464,258
Q8.13D4 = Q8○D8φ: trivial image324-Q8.13D464,259

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