Extensions 1→N→G→Q→1 with N=C2 and Q=D97 
Direct product G=N×Q with N=C2 and Q=D97
Non-split extensions G=N.Q with N=C2 and Q=D97
| extension | φ:Q→Aut N | d | ρ | Label | ID | 
|---|
| C2.D97 = Dic97 | central extension (φ=1) | 388 | 2- | C2.D97 | 388,1 | 
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