Extensions 1→N→G→Q→1 with N=Q8 and Q=D18

Direct product G=N×Q with N=Q8 and Q=D18
dρLabelID
C2×Q8×D9144C2xQ8xD9288,359

Semidirect products G=N:Q with N=Q8 and Q=D18
extensionφ:Q→Out NdρLabelID
Q8⋊D18 = C2×Q8⋊D9φ: D18/C6S3 ⊆ Out Q8144Q8:D18288,336
Q82D18 = SD16×D9φ: D18/D9C2 ⊆ Out Q8724Q8:2D18288,123
Q83D18 = D72⋊C2φ: D18/D9C2 ⊆ Out Q8724+Q8:3D18288,124
Q84D18 = C2×Q82D9φ: D18/C18C2 ⊆ Out Q8144Q8:4D18288,152
Q85D18 = D4⋊D18φ: D18/C18C2 ⊆ Out Q8724+Q8:5D18288,160
Q86D18 = C2×Q83D9φ: trivial image144Q8:6D18288,360
Q87D18 = C4○D4×D9φ: trivial image724Q8:7D18288,362
Q88D18 = D48D18φ: trivial image724+Q8:8D18288,363

Non-split extensions G=N.Q with N=Q8 and Q=D18
extensionφ:Q→Out NdρLabelID
Q8.1D18 = C2×Q8.D9φ: D18/C6S3 ⊆ Out Q8288Q8.1D18288,335
Q8.2D18 = Q8.D18φ: D18/C6S3 ⊆ Out Q81444Q8.2D18288,337
Q8.3D18 = C12.3S4φ: D18/C6S3 ⊆ Out Q81444-Q8.3D18288,338
Q8.4D18 = C12.11S4φ: D18/C6S3 ⊆ Out Q81444Q8.4D18288,339
Q8.5D18 = C12.4S4φ: D18/C6S3 ⊆ Out Q8724+Q8.5D18288,340
Q8.6D18 = SD16⋊D9φ: D18/D9C2 ⊆ Out Q81444-Q8.6D18288,125
Q8.7D18 = SD163D9φ: D18/D9C2 ⊆ Out Q81444Q8.7D18288,126
Q8.8D18 = Q16×D9φ: D18/D9C2 ⊆ Out Q81444-Q8.8D18288,127
Q8.9D18 = Q16⋊D9φ: D18/D9C2 ⊆ Out Q81444Q8.9D18288,128
Q8.10D18 = D725C2φ: D18/D9C2 ⊆ Out Q81444+Q8.10D18288,129
Q8.11D18 = C2×C9⋊Q16φ: D18/C18C2 ⊆ Out Q8288Q8.11D18288,151
Q8.12D18 = C36.C23φ: D18/C18C2 ⊆ Out Q81444Q8.12D18288,153
Q8.13D18 = D4.D18φ: D18/C18C2 ⊆ Out Q81444-Q8.13D18288,159
Q8.14D18 = D4.9D18φ: D18/C18C2 ⊆ Out Q81444Q8.14D18288,161
Q8.15D18 = Q8.15D18φ: trivial image1444Q8.15D18288,361
Q8.16D18 = D4.10D18φ: trivial image1444-Q8.16D18288,364

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