Extensions 1→N→G→Q→1 with N=D109 and Q=C2

Direct product G=N×Q with N=D109 and Q=C2
dρLabelID
D2182182+D218436,4


Non-split extensions G=N.Q with N=D109 and Q=C2
extensionφ:Q→Out NdρLabelID
D109.C2 = C109⋊C4φ: C2/C1C2 ⊆ Out D1091094+D109.C2436,3

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