| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|
| C2.1(C20:D4) = C24.13D10 | central extension (φ=1) | 160 | | C2.1(C20:D4) | 320,584 |
| C2.2(C20:D4) = C20:5(C4:C4) | central extension (φ=1) | 320 | | C2.2(C20:D4) | 320,603 |
| C2.3(C20:D4) = (C2xD20):22C4 | central extension (φ=1) | 160 | | C2.3(C20:D4) | 320,615 |
| C2.4(C20:D4) = C24.19D10 | central extension (φ=1) | 160 | | C2.4(C20:D4) | 320,848 |
| C2.5(C20:D4) = C24.7D10 | central stem extension (φ=1) | 160 | | C2.5(C20:D4) | 320,576 |
| C2.6(C20:D4) = C23:2D20 | central stem extension (φ=1) | 160 | | C2.6(C20:D4) | 320,587 |
| C2.7(C20:D4) = (C2xC20).289D4 | central stem extension (φ=1) | 160 | | C2.7(C20:D4) | 320,619 |
| C2.8(C20:D4) = C42.64D10 | central stem extension (φ=1) | 160 | | C2.8(C20:D4) | 320,685 |
| C2.9(C20:D4) = C42.214D10 | central stem extension (φ=1) | 160 | | C2.9(C20:D4) | 320,686 |
| C2.10(C20:D4) = C42.65D10 | central stem extension (φ=1) | 160 | | C2.10(C20:D4) | 320,687 |
| C2.11(C20:D4) = C20:D8 | central stem extension (φ=1) | 160 | | C2.11(C20:D4) | 320,700 |
| C2.12(C20:D4) = C42.74D10 | central stem extension (φ=1) | 160 | | C2.12(C20:D4) | 320,701 |
| C2.13(C20:D4) = C20:4SD16 | central stem extension (φ=1) | 160 | | C2.13(C20:D4) | 320,703 |
| C2.14(C20:D4) = C20:6SD16 | central stem extension (φ=1) | 160 | | C2.14(C20:D4) | 320,712 |
| C2.15(C20:D4) = C42.80D10 | central stem extension (φ=1) | 160 | | C2.15(C20:D4) | 320,713 |
| C2.16(C20:D4) = C20:3Q16 | central stem extension (φ=1) | 320 | | C2.16(C20:D4) | 320,719 |
| C2.17(C20:D4) = C40:5D4 | central stem extension (φ=1) | 160 | | C2.17(C20:D4) | 320,778 |
| C2.18(C20:D4) = C40:11D4 | central stem extension (φ=1) | 160 | | C2.18(C20:D4) | 320,781 |
| C2.19(C20:D4) = C40.22D4 | central stem extension (φ=1) | 160 | | C2.19(C20:D4) | 320,782 |
| C2.20(C20:D4) = C40.31D4 | central stem extension (φ=1) | 160 | | C2.20(C20:D4) | 320,794 |
| C2.21(C20:D4) = C40.43D4 | central stem extension (φ=1) | 160 | | C2.21(C20:D4) | 320,795 |
| C2.22(C20:D4) = C40:15D4 | central stem extension (φ=1) | 160 | | C2.22(C20:D4) | 320,802 |
| C2.23(C20:D4) = C40:9D4 | central stem extension (φ=1) | 160 | | C2.23(C20:D4) | 320,803 |
| C2.24(C20:D4) = C40.26D4 | central stem extension (φ=1) | 320 | | C2.24(C20:D4) | 320,808 |
| C2.25(C20:D4) = C40.37D4 | central stem extension (φ=1) | 160 | | C2.25(C20:D4) | 320,817 |
| C2.26(C20:D4) = C40.28D4 | central stem extension (φ=1) | 160 | | C2.26(C20:D4) | 320,818 |
| C2.27(C20:D4) = C24.21D10 | central stem extension (φ=1) | 160 | | C2.27(C20:D4) | 320,850 |