Extensions 1→N→G→Q→1 with N=Q8 and Q=D20

Direct product G=NxQ with N=Q8 and Q=D20
dρLabelID
Q8xD20160Q8xD20320,1247

Semidirect products G=N:Q with N=Q8 and Q=D20
extensionφ:Q→Out NdρLabelID
Q8:1D20 = Q8:D20φ: D20/C20C2 ⊆ Out Q8160Q8:1D20320,654
Q8:2D20 = Q8:2D20φ: D20/D10C2 ⊆ Out Q8160Q8:2D20320,433
Q8:3D20 = D20:4D4φ: D20/D10C2 ⊆ Out Q8160Q8:3D20320,438
Q8:4D20 = D4:4D20φ: D20/D10C2 ⊆ Out Q8404+Q8:4D20320,449
Q8:5D20 = Q8:5D20φ: trivial image160Q8:5D20320,1248
Q8:6D20 = Q8:6D20φ: trivial image160Q8:6D20320,1249

Non-split extensions G=N.Q with N=Q8 and Q=D20
extensionφ:Q→Out NdρLabelID
Q8.1D20 = Q8.1D20φ: D20/C20C2 ⊆ Out Q8160Q8.1D20320,655
Q8.2D20 = C20:7Q16φ: D20/C20C2 ⊆ Out Q8320Q8.2D20320,658
Q8.3D20 = D4.3D20φ: D20/C20C2 ⊆ Out Q8804Q8.3D20320,768
Q8.4D20 = D4.4D20φ: D20/C20C2 ⊆ Out Q8804+Q8.4D20320,769
Q8.5D20 = D4.5D20φ: D20/C20C2 ⊆ Out Q81604-Q8.5D20320,770
Q8.6D20 = D10:4Q16φ: D20/D10C2 ⊆ Out Q8160Q8.6D20320,435
Q8.7D20 = Q8.D20φ: D20/D10C2 ⊆ Out Q8160Q8.7D20320,437
Q8.8D20 = M4(2):D10φ: D20/D10C2 ⊆ Out Q8804Q8.8D20320,452
Q8.9D20 = D4.9D20φ: D20/D10C2 ⊆ Out Q8804-Q8.9D20320,453
Q8.10D20 = D4.10D20φ: D20/D10C2 ⊆ Out Q8804Q8.10D20320,454
Q8.11D20 = D4.11D20φ: trivial image804Q8.11D20320,1423
Q8.12D20 = D4.12D20φ: trivial image804+Q8.12D20320,1424
Q8.13D20 = D4.13D20φ: trivial image1604-Q8.13D20320,1425

׿
x
:
Z
F
o
wr
Q
<