Finite Group DatabasebetaFinite Group Databasebeta| order | 1224 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D4 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C9×C17 · Schur multiplier (H2) = C2 |
| direct product | D4×C9×C17 |
| unambiguous semidirect product | C4⋊(C2×C9×C17) |
| subgroup | G/H | |
|---|---|---|
| center | C2×C9×C17 | C22 |
| commutator | C2 | C22×C9×C17 |
| Frattini, cosocle | C2×C3 | C22×C3×C17 |
| socle | C2×C3×C17 | C22×C3 |
| prime radical | C3×D4×C17 | C3 |
| LCS | G ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C9×C17 ◁ G | |
48 conjugacy classes of subgroups.
| minimal degree | μ(G) = 30 |
| transitive degree | μt(G) = 612 |
A minimal faithful permutation representation — 2 generators on 30 points:
(1,2,3,4)(5,6,7,8,9,10,11,12,13)(14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30);(2,4)765 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1224, 31);