Extensions 1→N→G→Q→1 with N=SL2(𝔽5) and Q=C4

Direct product G=N×Q with N=SL2(𝔽5) and Q=C4
dρLabelID
C4×SL2(𝔽5)96C4xSL(2,5)480,222

Semidirect products G=N:Q with N=SL2(𝔽5) and Q=C4
extensionφ:Q→Out NdρLabelID
SL2(𝔽5)⋊1C4 = GL2(𝔽5)φ: C4/C2C2 ⊆ Out SL2(𝔽5)244SL(2,5):1C4480,218
SL2(𝔽5)⋊2C4 = C22.2S5φ: C4/C2C2 ⊆ Out SL2(𝔽5)96SL(2,5):2C4480,219

Non-split extensions G=N.Q with N=SL2(𝔽5) and Q=C4
extensionφ:Q→Out NdρLabelID
SL2(𝔽5).C4 = C8.A5φ: trivial image482SL(2,5).C4480,221

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