Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #60367 |
| automorphism | ? |
| homology | Abelianization (H1) = C25×C5 · Schur multiplier (H2) = C28 |
| direct product | C5×#60568 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | C23×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25×C5 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C2×C5×#117 ◁ G | |
2138 conjugacy classes of subgroups.
| minimal degree | μ(G) = 29 |
| transitive degree | μt(G) = 320 |
A minimal faithful permutation representation — 5 generators on 29 points:
(1,2,3,4,5)(6,7)(8,11)(9,10)(12,13)(16,24)(17,18)(20,27)(22,23)(25,26)(28,29);(7,10)(11,13)(14,15,19,21)(16,20,25,28)(17,22,18,23)(24,27,26,29);(14,16)(15,20)(17,24)(18,26)(19,25)(21,28)(22,27)(23,29);(6,8,9,12)(7,11,10,13)(15,21)(20,28)(22,23)(27,29);(14,17,19,18)(15,22,21,23)(16,24,25,26)(20,27,28,29)290 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 53556);