Extensions 1→N→G→Q→1 with N=C4 and Q=C2×C42

Direct product G=N×Q with N=C4 and Q=C2×C42

Semidirect products G=N:Q with N=C4 and Q=C2×C42
extensionφ:Q→Aut NdρLabelID
C4⋊(C2×C42) = D4×C42φ: C2×C42/C42C2 ⊆ Aut C4168C4:(C2xC42)336,205

Non-split extensions G=N.Q with N=C4 and Q=C2×C42
extensionφ:Q→Aut NdρLabelID
C4.1(C2×C42) = D8×C21φ: C2×C42/C42C2 ⊆ Aut C41682C4.1(C2xC42)336,111
C4.2(C2×C42) = SD16×C21φ: C2×C42/C42C2 ⊆ Aut C41682C4.2(C2xC42)336,112
C4.3(C2×C42) = Q16×C21φ: C2×C42/C42C2 ⊆ Aut C43362C4.3(C2xC42)336,113
C4.4(C2×C42) = Q8×C42φ: C2×C42/C42C2 ⊆ Aut C4336C4.4(C2xC42)336,206
C4.5(C2×C42) = C4○D4×C21φ: C2×C42/C42C2 ⊆ Aut C41682C4.5(C2xC42)336,207
C4.6(C2×C42) = M4(2)×C21central extension (φ=1)1682C4.6(C2xC42)336,110