Finite Group DatabasebetaFinite Group Databasebeta| order | 540 |
| isoclinism | isoclinic class of D5 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C27 · Schur multiplier (H2) = C2 |
| direct product | C2×D5×C27 |
| unambiguous semidirect product | C5⋊(C22×C27) |
| unambiguous semidirect product | (C2×C5)⋊(C2×C27) |
| Fitting | C2×C5×C27 ⋊ C2 |
| derived, Sylow | C5 ⋊ C22×C27 |
| Hall | C5×C27 ⋊ C22 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C27 | D5 |
| commutator, hypocenter | C5 | C22×C27 |
| Frattini | C9 | C2×C3×D5 |
| Fitting | C2×C5×C27 | C2 |
| socle | C2×C3×C5 | C2×C9 |
| prime radical | C2×C3×D5 | C9 |
| cosocle | C5×C9 | C22×C3 |
| LCS | G ▷ C5 | |
| UCS | C1 ◁ C2×C27 | |
40 conjugacy classes of subgroups.
| transitive degree | μt(G) = 270 |
216 conjugacy classes — view the full character table.
| maximal subgroup of | D5×Dic27, #11761666, #11761667, … |
| maximal normal subgroup of | D5×Dic27, #11761666, #11761667, … |
| maximal quotient of | C27×Dic10, C4×D5×C27, C27×D20, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(540, 9);