Extensions 1→N→G→Q→1 with N=C3 and Q=C72:C3

Direct product G=NxQ with N=C3 and Q=C72:C3
dρLabelID
C3xC72:C3147C3xC7^2:C3441,11


Non-split extensions G=N.Q with N=C3 and Q=C72:C3
extensionφ:Q→Aut NdρLabelID
C3.(C72:C3) = C72:C9central extension (φ=1)441C3.(C7^2:C3)441,6

׿
x
:
Z
F
o
wr
Q
<