Extensions 1→N→G→Q→1 with N=Dic19 and Q=C2

Direct product G=N×Q with N=Dic19 and Q=C2
dρLabelID
C2×Dic19152C2xDic19152,6

Semidirect products G=N:Q with N=Dic19 and Q=C2
extensionφ:Q→Out NdρLabelID
Dic19⋊C2 = C19⋊D4φ: C2/C1C2 ⊆ Out Dic19762Dic19:C2152,7
Dic192C2 = C4×D19φ: trivial image762Dic19:2C2152,4

Non-split extensions G=N.Q with N=Dic19 and Q=C2
extensionφ:Q→Out NdρLabelID
Dic19.C2 = Dic38φ: C2/C1C2 ⊆ Out Dic191522-Dic19.C2152,3

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