Extensions 1→N→G→Q→1 with N=SD16 and Q=D4

Direct product G=N×Q with N=SD16 and Q=D4
dρLabelID
D4×SD1632D4xSD16128,2013

Semidirect products G=N:Q with N=SD16 and Q=D4
extensionφ:Q→Out NdρLabelID
SD161D4 = SD161D4φ: D4/C4C2 ⊆ Out SD1632SD16:1D4128,2006
SD162D4 = SD162D4φ: D4/C4C2 ⊆ Out SD1632SD16:2D4128,2007
SD163D4 = SD163D4φ: D4/C4C2 ⊆ Out SD1664SD16:3D4128,2008
SD164D4 = D8○D8φ: D4/C4C2 ⊆ Out SD16164+SD16:4D4128,2024
SD165D4 = SD16⋊D4φ: D4/C22C2 ⊆ Out SD1632SD16:5D4128,1997
SD166D4 = SD166D4φ: D4/C22C2 ⊆ Out SD1632SD16:6D4128,1998
SD167D4 = SD167D4φ: D4/C22C2 ⊆ Out SD1632SD16:7D4128,2000
SD168D4 = SD168D4φ: D4/C22C2 ⊆ Out SD1664SD16:8D4128,2001
SD169D4 = D811D4φ: D4/C22C2 ⊆ Out SD16168+SD16:9D4128,2020
SD1610D4 = SD1610D4φ: trivial image32SD16:10D4128,2014
SD1611D4 = SD1611D4φ: trivial image64SD16:11D4128,2016
SD1612D4 = D86D4φ: trivial image164SD16:12D4128,2023

Non-split extensions G=N.Q with N=SD16 and Q=D4
extensionφ:Q→Out NdρLabelID
SD16.1D4 = D8○Q16φ: D4/C4C2 ⊆ Out SD16324-SD16.1D4128,2025
SD16.2D4 = D8.13D4φ: D4/C22C2 ⊆ Out SD16328-SD16.2D4128,2021
SD16.3D4 = D8○SD16φ: trivial image324SD16.3D4128,2022

׿
×
𝔽