Extensions 1→N→G→Q→1 with N=C12 and Q=D5

Direct product G=N×Q with N=C12 and Q=D5
dρLabelID
D5×C12602D5xC12120,17

Semidirect products G=N:Q with N=C12 and Q=D5
extensionφ:Q→Aut NdρLabelID
C121D5 = D60φ: D5/C5C2 ⊆ Aut C12602+C12:1D5120,28
C122D5 = C4×D15φ: D5/C5C2 ⊆ Aut C12602C12:2D5120,27
C123D5 = C3×D20φ: D5/C5C2 ⊆ Aut C12602C12:3D5120,18

Non-split extensions G=N.Q with N=C12 and Q=D5
extensionφ:Q→Aut NdρLabelID
C12.1D5 = Dic30φ: D5/C5C2 ⊆ Aut C121202-C12.1D5120,26
C12.2D5 = C153C8φ: D5/C5C2 ⊆ Aut C121202C12.2D5120,3
C12.3D5 = C3×Dic10φ: D5/C5C2 ⊆ Aut C121202C12.3D5120,16
C12.4D5 = C3×C52C8central extension (φ=1)1202C12.4D5120,2

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