| order | 1280 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #13709 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C2 |
| direct product | C5×#13709 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C2×C5 | #2226 |
| commutator, Frattini, cosocle | C2×C16 | C23×C5 |
| prime radical | C5×#508 | C22 |
| LCS | G ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C5 ◁ C2×C4×C5 ◁ C4×C5×C8 ◁ C4×C5×C16 ◁ G | |
154 conjugacy classes of subgroups; only the 70 normal subgroups are shown.
This group has 154 conjugacy classes of subgroups — too many to draw. Only its 70 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 69 |
| transitive degree | μt(G) = 320 |
A minimal faithful permutation representation — 3 generators on 69 points:
(1,2,3,4,5)(6,7,13,19)(8,18,23,50)(9,24)(10,29,31,16)(11,32,35,58)(12,36,21,14)(15,40)(17,46,48,34)(20,51)(22,55,57,45)(25,62)(26,44)(27,59)(28,63)(30,39,66,67)(33,49)(37,61)(38,65)(41,64)(42,68)(43,56)(47,52)(53,60)(54,69);(6,8,10,21,13,23,31,12)(7,14,16,18,19,36,29,50)(9,20,25,52,28,54,27,37)(11,22,30,46,35,57,66,34)(15,38,41,49,44,42,43,60)(17,39,45,32,48,67,55,58)(24,47,59,51,63,61,62,69)(26,53,64,68,40,33,56,65);(6,9)(7,15)(8,20)(10,25)(11,33)(12,37)(13,28)(14,38)(16,41)(17,47)(18,49)(19,44)(21,52)(22,56)(23,54)(24,58)(26,46)(27,31)(29,43)(30,65)(32,63)(34,40)(35,53)(36,42)(39,59)(45,51)(48,61)(50,60)(55,69)(57,64)(62,67)(66,68)185 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 6697);