Extensions 1→N→G→Q→1 with N=C164 and Q=C2

Direct product G=NxQ with N=C164 and Q=C2
dρLabelID
C2xC164328C2xC164328,9

Semidirect products G=N:Q with N=C164 and Q=C2
extensionφ:Q→Aut NdρLabelID
C164:1C2 = D164φ: C2/C1C2 ⊆ Aut C1641642+C164:1C2328,6
C164:2C2 = C4xD41φ: C2/C1C2 ⊆ Aut C1641642C164:2C2328,5
C164:3C2 = D4xC41φ: C2/C1C2 ⊆ Aut C1641642C164:3C2328,10

Non-split extensions G=N.Q with N=C164 and Q=C2
extensionφ:Q→Aut NdρLabelID
C164.1C2 = Dic82φ: C2/C1C2 ⊆ Aut C1643282-C164.1C2328,4
C164.2C2 = C41:3C8φ: C2/C1C2 ⊆ Aut C1643282C164.2C2328,1
C164.3C2 = Q8xC41φ: C2/C1C2 ⊆ Aut C1643282C164.3C2328,11

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