| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|
| C3.1(C3×3- 1+2) = C3×C32⋊C9 | central extension (φ=1) | 81 | | C3.1(C3xES-(3,1)) | 243,32 |
| C3.2(C3×3- 1+2) = C3×C9⋊C9 | central extension (φ=1) | 243 | | C3.2(C3xES-(3,1)) | 243,33 |
| C3.3(C3×3- 1+2) = C9×3- 1+2 | central extension (φ=1) | 81 | | C3.3(C3xES-(3,1)) | 243,36 |
| C3.4(C3×3- 1+2) = C34.C3 | central stem extension (φ=1) | 27 | | C3.4(C3xES-(3,1)) | 243,38 |
| C3.5(C3×3- 1+2) = C9⋊He3 | central stem extension (φ=1) | 81 | | C3.5(C3xES-(3,1)) | 243,39 |
| C3.6(C3×3- 1+2) = C9⋊3- 1+2 | central stem extension (φ=1) | 81 | | C3.6(C3xES-(3,1)) | 243,41 |
| C3.7(C3×3- 1+2) = C33.31C32 | central stem extension (φ=1) | 81 | | C3.7(C3xES-(3,1)) | 243,42 |
| C3.8(C3×3- 1+2) = C92⋊7C3 | central stem extension (φ=1) | 81 | | C3.8(C3xES-(3,1)) | 243,43 |
| C3.9(C3×3- 1+2) = C92⋊8C3 | central stem extension (φ=1) | 81 | | C3.9(C3xES-(3,1)) | 243,46 |
| C3.10(C3×3- 1+2) = C92⋊9C3 | central stem extension (φ=1) | 81 | | C3.10(C3xES-(3,1)) | 243,47 |