| order | 1280 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #13697 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C4 |
| direct product | C5×#13724 |
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C22×C5 | C2×D16 |
| commutator, Frattini, cosocle | C2×C16 | C23×C5 |
| LCS | G ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C42×C5 ◁ C4×C5×C8 ◁ C4×C5×C16 ◁ G | |
174 conjugacy classes of subgroups; only the 78 normal subgroups are shown.
This group has 174 conjugacy classes of subgroups — too many to draw. Only its 78 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 77 |
| transitive degree | μt(G) = 1280 |
A minimal faithful permutation representation — 3 generators on 77 points:
(1,2,3,4,5)(6,7)(8,11)(9,10)(12,13)(14,15,22,29)(16,24,34,54)(17,23,37,51)(18,26,40,47)(19,25,30,56)(20,43,45,72)(21,46,44,28)(27,59,60,38)(31,52,61,76)(32,65,67,77)(33,68,66,53)(35,48,69,73)(36,70,63,50)(39,71,41,58)(42,57,62,55)(49,74,75,64);(7,10)(11,13)(14,16,30,61,20,32,39,36,44,66,42,64,59,69,18,17,22,34,19,31,45,67,41,63,21,33,62,74,38,35,40,37)(15,23,47,73,27,49,55,53,46,70,58,65,72,76,25,24,29,51,26,48,60,75,57,68,28,50,71,77,43,52,56,54);(6,8,9,12)(7,11,10,13)(14,17,18,35,38,64,42,33,21,36,39,67,45,61,30,34,22,37,40,69,59,74,62,66,44,63,41,32,20,31,19,16)(15,24,25,52,43,65,58,50,28,53,55,75,60,73,47,51,29,54,56,76,72,77,71,70,46,68,57,49,27,48,26,23)230 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 6712);