Extensions 1→N→G→Q→1 with N=D13 and Q=C4

Direct product G=NxQ with N=D13 and Q=C4
dρLabelID
C4xD13522C4xD13104,5

Semidirect products G=N:Q with N=D13 and Q=C4
extensionφ:Q→Out NdρLabelID
D13:C4 = C2xC13:C4φ: C4/C2C2 ⊆ Out D13264+D13:C4104,12


׿
x
:
Z
F
o
wr
Q
<