Extensions 1→N→G→Q→1 with N=C4 and Q=GL2(𝔽3)

Direct product G=N×Q with N=C4 and Q=GL2(𝔽3)
dρLabelID
C4×GL2(𝔽3)32C4xGL(2,3)192,951

Semidirect products G=N:Q with N=C4 and Q=GL2(𝔽3)
extensionφ:Q→Aut NdρLabelID
C4⋊GL2(𝔽3) = Q8⋊D12φ: GL2(𝔽3)/SL2(𝔽3)C2 ⊆ Aut C432C4:GL(2,3)192,952

Non-split extensions G=N.Q with N=C4 and Q=GL2(𝔽3)
extensionφ:Q→Aut NdρLabelID
C4.GL2(𝔽3) = Q8⋊Dic6φ: GL2(𝔽3)/SL2(𝔽3)C2 ⊆ Aut C464C4.GL(2,3)192,945
C4.2GL2(𝔽3) = C2.U2(𝔽3)central extension (φ=1)64C4.2GL(2,3)192,183

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