Finite Group DatabasebetaFinite Group Databasebeta| order | 864 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of D8 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C33×C4 · Schur multiplier (H2) = C2×C33 |
| direct product | C33×#103 |
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C22×C33 | D4 |
| commutator | C4 | C2×C33×C4 |
| Frattini, cosocle | C2×C4 | C22×C33 |
| LCS | G ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C33 ◁ C2×C33×C4 ◁ G | |
588 conjugacy classes of subgroups.
| minimal degree | μ(G) = 21 |
| transitive degree | μt(G) = 864 |
A minimal faithful permutation representation — 3 generators on 21 points:
(1,2,3)(10,11,12,13)(15,18)(16,20)(19,21);(4,5,6)(14,15,17,19)(16,21,20,18);(7,8,9)378 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(864, 2183);