Extensions 1→N→G→Q→1 with N=C2 and Q=He34D4

Direct product G=N×Q with N=C2 and Q=He34D4
dρLabelID
C2×He34D472C2xHe3:4D4432,350


Non-split extensions G=N.Q with N=C2 and Q=He34D4
extensionφ:Q→Aut NdρLabelID
C2.1(He34D4) = C62.20D6central extension (φ=1)144C2.1(He3:4D4)432,140
C2.2(He34D4) = C62.21D6central extension (φ=1)72C2.2(He3:4D4)432,141
C2.3(He34D4) = He34Q16central stem extension (φ=1)1446-C2.3(He3:4D4)432,114
C2.4(He34D4) = He36SD16central stem extension (φ=1)726C2.4(He3:4D4)432,117
C2.5(He34D4) = He34D8central stem extension (φ=1)726+C2.5(He3:4D4)432,118

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