| order | 504 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D4 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C32×C7 · Schur multiplier (H2) = C3 |
| direct product | C32×C7×Q8 |
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C2×C32×C7 | C22 |
| commutator, Frattini, cosocle | C2 | C22×C32×C7 |
| LCS | G ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C32×C7 ◁ G | |
72 conjugacy classes of subgroups.
| minimal degree | μ(G) = 21 |
| transitive degree | μt(G) = 504 |
A minimal faithful permutation representation — 2 generators on 21 points:
(1,2,3)(7,8,9,10,11,12,13)(14,15,16,17)(18,21,20,19);(4,5,6)(14,18,16,20)(15,19,17,21)315 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(504, 155);