| order | 25740 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C5 · Schur multiplier (H2) = C2 |
| direct product | C2×C5×D1287 |
| unambiguous semidirect product | (C2×C9)⋊(C5×D143) |
| unambiguous semidirect product | (C2×C13)⋊(C5×D99) |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C5 | D1287 |
| commutator, cosocle, hypocenter | C9×C11×C13 | C22×C5 |
| Frattini | C3 | C2×C5×D429 |
| Fitting | C2×C5×C9×C11×C13 | C2 |
| socle | C2×C3×C5×C11×C13 | D3 |
| LCS | G ▷ C9×C11×C13 | |
| UCS | C1 ◁ C2×C5 | |
120 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 12870 |
A minimal faithful permutation representation — 2 generators on 40 points:
(2,3)(4,5)(6,7)(8,9)(10,11)(12,13)(15,16)(17,18)(19,20)(21,22)(23,24)(26,28)(27,31)(29,30)(32,33)(34,35,36,37,38);(1,2,4,6,8,10,12,13,11,9,7,5,3)(14,15,17,19,21,23,24,22,20,18,16)(25,33,28,31,30,29,27,26,32)(39,40)6450 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(25740, 158);