Extensions 1→N→G→Q→1 with N=D10 and Q=C2

Direct product G=N×Q with N=D10 and Q=C2
dρLabelID
C22×D520C2^2xD540,13

Semidirect products G=N:Q with N=D10 and Q=C2
extensionφ:Q→Out NdρLabelID
D101C2 = D20φ: C2/C1C2 ⊆ Out D10202+D10:1C240,6
D102C2 = C5⋊D4φ: C2/C1C2 ⊆ Out D10202D10:2C240,8

Non-split extensions G=N.Q with N=D10 and Q=C2
extensionφ:Q→Out NdρLabelID
D10.C2 = C2×F5φ: C2/C1C2 ⊆ Out D10104+D10.C240,12
D10.2C2 = C4×D5φ: trivial image202D10.2C240,5

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