| order | 23940 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C5 · Schur multiplier (H2) = C2 |
| direct product | C2×C5×D1197 |
| unambiguous semidirect product | (C2×C7)⋊(C5×D171) |
| unambiguous semidirect product | (C2×C9)⋊(C5×D133) |
| unambiguous semidirect product | (C2×C19)⋊(C5×D63) |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C5 | D1197 |
| commutator, cosocle, hypocenter | C7×C9×C19 | C22×C5 |
| Frattini | C3 | C2×C5×D399 |
| Fitting | C2×C5×C7×C9×C19 | C2 |
| socle | C2×C3×C5×C7×C19 | D3 |
| LCS | G ▷ C7×C9×C19 | |
| UCS | C1 ◁ C2×C5 | |
120 conjugacy classes of subgroups.
| minimal degree | μ(G) = 42 |
| transitive degree | μt(G) = 11970 |
A minimal faithful permutation representation — 2 generators on 42 points:
(2,3)(4,5)(6,7)(8,9)(10,11)(12,13)(14,15)(16,17)(18,19)(21,22)(23,24)(25,26)(28,30)(29,33)(31,32)(34,35)(36,37,38,39,40);(1,2,4,6,8,10,12,14,16,18,19,17,15,13,11,9,7,5,3)(20,21,23,25,26,24,22)(27,35,30,33,32,31,29,28,34)(41,42)6000 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(23940, 178);