| order | 1280 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #12093 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C22 |
| direct product | C5×#12207 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | B(4,𝔽2) |
| commutator, Frattini, cosocle | C2×C22⋊C4 | C23×C5 |
| prime radical | C24×C5 | C2×D4 |
| LCS | G ▷ C2×C22⋊C4 ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C23×C5 ◁ C2×C5×C22⋊C4 ◁ G | |
388 conjugacy classes of subgroups; only the 74 normal subgroups are shown.
This group has 388 conjugacy classes of subgroups — too many to draw. Only its 74 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 45 |
| transitive degree | μt(G) = 320 |
A minimal faithful permutation representation — 3 generators on 45 points:
(1,2,3,4,5)(6,7,9,12)(8,10,13,11)(14,15)(16,24)(17,21)(18,22)(19,23)(20,26)(25,41)(27,40)(28,39)(29,35)(30,36)(31,38)(32,42)(33,43)(34,44)(37,45);(7,10)(8,13)(11,12)(14,16,19,27)(15,20,23,33)(17,28,30,25)(18,26,31,43)(21,34,36,32)(22,24,38,40)(29,44,45,42)(35,39,37,41);(14,17,19,30)(15,21,23,36)(16,25,27,28)(18,29,31,45)(20,32,33,34)(22,37,38,35)(24,39,40,41)(26,42,43,44)125 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 5195);