Finite Group DatabasebetaFinite Group Databasebeta| order | 288 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of D8 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4×C9 · Schur multiplier (H2) = C2 |
| direct product | C9×#107 |
| subgroup | G/H | |
|---|---|---|
| center | C22×C9 | D4 |
| commutator | C4 | C2×C4×C9 |
| Frattini, cosocle | C2×C3×C4 | C22×C3 |
| socle, prime radical | C22×C3 | C3×D4 |
| LCS | G ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C9 ◁ C2×C4×C9 ◁ G | |
54 conjugacy classes of subgroups.
| minimal degree | μ(G) = 21 |
| transitive degree | μt(G) = 288 |
A minimal faithful permutation representation — 2 generators on 21 points:
(1,2,3,4)(6,9)(7,10)(11,12)(13,14,16,15,17,19,18,20,21);(5,6,10,12,8,11,7,9)126 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(288, 57);