Extensions 1→N→G→Q→1 with N=D21 and Q=D4

Direct product G=N×Q with N=D21 and Q=D4
dρLabelID
D4×D21844+D4xD21336,198

Semidirect products G=N:Q with N=D21 and Q=D4
extensionφ:Q→Out NdρLabelID
D211D4 = C28⋊D6φ: D4/C4C2 ⊆ Out D21844D21:1D4336,150
D212D4 = D6⋊D14φ: D4/C22C2 ⊆ Out D21844+D21:2D4336,163


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