| d | ρ | Label | ID | ||
|---|---|---|---|---|---|
| C23×D17 | 136 | C2^3xD17 | 272,53 | 
| extension | φ:Q→Aut N | d | ρ | Label | ID | 
|---|---|---|---|---|---|
| C23⋊D17 = C2×C17⋊D4 | φ: D17/C17 → C2 ⊆ Aut C23 | 136 | C2^3:D17 | 272,45 | 
| extension | φ:Q→Aut N | d | ρ | Label | ID | 
|---|---|---|---|---|---|
| C23.D17 = C23.D17 | φ: D17/C17 → C2 ⊆ Aut C23 | 136 | C2^3.D17 | 272,19 | |
| C23.2D17 = C22×Dic17 | central extension (φ=1) | 272 | C2^3.2D17 | 272,44 |