Extensions 1→N→G→Q→1 with N=C5 and Q=D21

Direct product G=N×Q with N=C5 and Q=D21
dρLabelID
C5×D211052C5xD21210,9

Semidirect products G=N:Q with N=C5 and Q=D21
extensionφ:Q→Aut NdρLabelID
C5⋊D21 = D105φ: D21/C21C2 ⊆ Aut C51052+C5:D21210,11


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