Extensions 1→N→G→Q→1 with N=D42D9 and Q=C2

Direct product G=N×Q with N=D42D9 and Q=C2
dρLabelID
C2×D42D9144C2xD4:2D9288,357

Semidirect products G=N:Q with N=D42D9 and Q=C2
extensionφ:Q→Out NdρLabelID
D42D91C2 = D8⋊D9φ: C2/C1C2 ⊆ Out D42D9724D4:2D9:1C2288,121
D42D92C2 = D83D9φ: C2/C1C2 ⊆ Out D42D91444-D4:2D9:2C2288,122
D42D93C2 = SD163D9φ: C2/C1C2 ⊆ Out D42D91444D4:2D9:3C2288,126
D42D94C2 = D46D18φ: C2/C1C2 ⊆ Out D42D9724D4:2D9:4C2288,358
D42D95C2 = D4.10D18φ: C2/C1C2 ⊆ Out D42D91444-D4:2D9:5C2288,364
D42D96C2 = C4○D4×D9φ: trivial image724D4:2D9:6C2288,362

Non-split extensions G=N.Q with N=D42D9 and Q=C2
extensionφ:Q→Out NdρLabelID
D42D9.C2 = SD16⋊D9φ: C2/C1C2 ⊆ Out D42D91444-D4:2D9.C2288,125

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