Extensions 1→N→G→Q→1 with N=C9 and Q=C4.D4

Direct product G=N×Q with N=C9 and Q=C4.D4
dρLabelID
C9×C4.D4724C9xC4.D4288,50

Semidirect products G=N:Q with N=C9 and Q=C4.D4
extensionφ:Q→Aut NdρLabelID
C91(C4.D4) = C36.48D4φ: C4.D4/M4(2)C2 ⊆ Aut C9724+C9:1(C4.D4)288,31
C92(C4.D4) = C36.D4φ: C4.D4/C2×D4C2 ⊆ Aut C9724C9:2(C4.D4)288,39


׿
×
𝔽