Extensions 1→N→G→Q→1 with N=C42.2C22 and Q=C2

Direct product G=N×Q with N=C42.2C22 and Q=C2
dρLabelID
C2×C42.2C22128C2xC4^2.2C2^2128,255

Semidirect products G=N:Q with N=C42.2C22 and Q=C2
extensionφ:Q→Out NdρLabelID
C42.2C221C2 = C42.2C23φ: C2/C1C2 ⊆ Out C42.2C2264C4^2.2C2^2:1C2128,388
C42.2C222C2 = C42.3C23φ: C2/C1C2 ⊆ Out C42.2C2264C4^2.2C2^2:2C2128,389
C42.2C223C2 = C42.6C23φ: C2/C1C2 ⊆ Out C42.2C2264C4^2.2C2^2:3C2128,392
C42.2C224C2 = C42.7C23φ: C2/C1C2 ⊆ Out C42.2C2264C4^2.2C2^2:4C2128,393
C42.2C225C2 = C42.10C23φ: C2/C1C2 ⊆ Out C42.2C2264C4^2.2C2^2:5C2128,396
C42.2C226C2 = C42.408D4φ: C2/C1C2 ⊆ Out C42.2C2264C4^2.2C2^2:6C2128,260
C42.2C227C2 = C42.376D4φ: C2/C1C2 ⊆ Out C42.2C2264C4^2.2C2^2:7C2128,261
C42.2C228C2 = C42.68D4φ: C2/C1C2 ⊆ Out C42.2C2264C4^2.2C2^2:8C2128,263
C42.2C229C2 = C42.69D4φ: C2/C1C2 ⊆ Out C42.2C2264C4^2.2C2^2:9C2128,264
C42.2C2210C2 = C42.71D4φ: C2/C1C2 ⊆ Out C42.2C2264C4^2.2C2^2:10C2128,266
C42.2C2211C2 = C42.72D4φ: C2/C1C2 ⊆ Out C42.2C2264C4^2.2C2^2:11C2128,267
C42.2C2212C2 = C42.74D4φ: C2/C1C2 ⊆ Out C42.2C2264C4^2.2C2^2:12C2128,269
C42.2C2213C2 = C42.4C23φ: C2/C1C2 ⊆ Out C42.2C2264C4^2.2C2^2:13C2128,390
C42.2C2214C2 = C42.8C23φ: C2/C1C2 ⊆ Out C42.2C2264C4^2.2C2^2:14C2128,394
C42.2C2215C2 = C42.66D4φ: trivial image64C4^2.2C2^2:15C2128,256
C42.2C2216C2 = C42.406D4φ: trivial image64C4^2.2C2^2:16C2128,258

Non-split extensions G=N.Q with N=C42.2C22 and Q=C2
extensionφ:Q→Out NdρLabelID
C42.2C22.C2 = C42.9C23φ: C2/C1C2 ⊆ Out C42.2C22128C4^2.2C2^2.C2128,395

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