Extensions 1→N→G→Q→1 with N=C7 and Q=D4.4D4

Direct product G=N×Q with N=C7 and Q=D4.4D4
dρLabelID
C7×D4.4D41124C7xD4.4D4448,880

Semidirect products G=N:Q with N=C7 and Q=D4.4D4
extensionφ:Q→Aut NdρLabelID
C71(D4.4D4) = D28.3D4φ: D4.4D4/C4.D4C2 ⊆ Aut C71128+C7:1(D4.4D4)448,283
C72(D4.4D4) = C8.21D28φ: D4.4D4/C8.C4C2 ⊆ Aut C71124+C7:2(D4.4D4)448,431
C73(D4.4D4) = D4.4D28φ: D4.4D4/C8○D4C2 ⊆ Aut C71124+C7:3(D4.4D4)448,676
C74(D4.4D4) = C56.23D4φ: D4.4D4/C2×D8C2 ⊆ Aut C71124C7:4(D4.4D4)448,694
C75(D4.4D4) = M4(2).D14φ: D4.4D4/C8⋊C22C2 ⊆ Aut C71128+C7:5(D4.4D4)448,733


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