Finite Group DatabasebetaFinite Group Databasebeta| order | 864 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #120 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C3×C9 · Schur multiplier (H2) = C23×C3 |
| direct product | C3×C9×#121 |
| subgroup | G/H | |
|---|---|---|
| center | C22×C3×C9 | C23 |
| commutator | C22 | C23×C3×C9 |
| Frattini, cosocle | C22×C3 | C23×C32 |
| socle | C22×C32 | C23×C3 |
| prime radical | C32×#121 | C3 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C3×C9 ◁ G | |
470 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 432 |
A minimal faithful permutation representation — 3 generators on 20 points:
(1,2,3)(14,16)(18,20);(4,5,6,7,8,9,10,11,12)(17,18,19,20);(13,14)(15,16)378 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(864, 1865);