Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #24412 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C5 · Schur multiplier (H2) = C24×C4 |
| direct product | C5×#25921 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | C2×#120 |
| commutator, Frattini, cosocle | C22×C4 | C24×C5 |
| prime radical | C22×C5×D4 | C23 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G | |
972 conjugacy classes of subgroups.
| minimal degree | μ(G) = 29 |
| transitive degree | μt(G) = 320 |
A minimal faithful permutation representation — 4 generators on 29 points:
(1,2,3,4,5)(6,7,10,13)(8,12,9,11)(14,15)(16,21)(17,24)(18,22)(19,28)(20,23)(25,26)(27,29);(6,8,10,9)(7,11,13,12)(14,16)(15,21)(17,22)(18,24)(19,29)(20,25)(23,26)(27,28);(6,8,10,9)(7,12,13,11)(14,17,19,21,20,27,18,26)(15,16,22,24,23,25,28,29);(6,9,10,8)(7,12,13,11)(14,18,20,19)(15,22,23,28)(16,24,25,29)(17,26,27,21)215 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 18909);