Finite Group DatabasebetaFinite Group Databasebeta| order | 540 |
| nilpotency class | 1 |
| isoclinism | isoclinic class of C1 |
| automorphism | Aut(G) order 864 |
| homology | Abelianization (H1) = G · Schur multiplier (H2) = C3 |
| abelian | C3×C4×C5×C9 |
| subgroup | G/H | |
|---|---|---|
| center | G | C1 |
| commutator | C1 | G |
| Frattini, cosocle | C2×C3 | C2×C32×C5 |
| socle, prime radical | C2×C32×C5 | C2×C3 |
| LCS | G ▷ C1 | |
| UCS | C1 ◁ G | |
60 conjugacy classes of subgroups.
| minimal degree | μ(G) = 21 |
| transitive degree | μt(G) = 540 |
A minimal faithful permutation representation — 2 generators on 21 points:
(1,2,3,4)(5,6,7,8,9,10,11,12,13)(17,18,19,20,21);(14,15,16)540 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(540, 28);