Extensions 1→N→G→Q→1 with N=C9 and Q=GL2(𝔽3)

Direct product G=N×Q with N=C9 and Q=GL2(𝔽3)
dρLabelID
C9×GL2(𝔽3)722C9xGL(2,3)432,241

Semidirect products G=N:Q with N=C9 and Q=GL2(𝔽3)
extensionφ:Q→Aut NdρLabelID
C9⋊GL2(𝔽3) = C18.6S4φ: GL2(𝔽3)/SL2(𝔽3)C2 ⊆ Aut C9724+C9:GL(2,3)432,253

Non-split extensions G=N.Q with N=C9 and Q=GL2(𝔽3)
extensionφ:Q→Aut NdρLabelID
C9.GL2(𝔽3) = Q8⋊D27φ: GL2(𝔽3)/SL2(𝔽3)C2 ⊆ Aut C92164+C9.GL(2,3)432,38

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