Extensions 1→N→G→Q→1 with N=C4 and Q=C3xDic5

Direct product G=NxQ with N=C4 and Q=C3xDic5
dρLabelID
C12xDic5240C12xDic5240,40

Semidirect products G=N:Q with N=C4 and Q=C3xDic5
extensionφ:Q→Aut NdρLabelID
C4:(C3xDic5) = C3xC4:Dic5φ: C3xDic5/C30C2 ⊆ Aut C4240C4:(C3xDic5)240,42

Non-split extensions G=N.Q with N=C4 and Q=C3xDic5
extensionφ:Q→Aut NdρLabelID
C4.(C3xDic5) = C3xC4.Dic5φ: C3xDic5/C30C2 ⊆ Aut C41202C4.(C3xDic5)240,39
C4.2(C3xDic5) = C3xC5:2C16central extension (φ=1)2402C4.2(C3xDic5)240,2
C4.3(C3xDic5) = C6xC5:2C8central extension (φ=1)240C4.3(C3xDic5)240,38

׿
x
:
Z
F
o
wr
Q
<