| order | 31122 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C7 · Schur multiplier (H2) = C3 |
| direct product | C7×C3⋊D741 |
| unambiguous semidirect product | C3⋊(C7×D741) |
| unambiguous semidirect product | C13⋊(C7×C3⋊D57) |
| unambiguous semidirect product | C19⋊(C7×C3⋊D39) |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C7 | C3⋊D741 |
| commutator, cosocle, hypocenter | C32×C13×C19 | C2×C7 |
| Frattini | C1 | G |
| Fitting, socle | C32×C7×C13×C19 | C2 |
| LCS | G ▷ C32×C13×C19 | |
| UCS | C1 ◁ C7 | |
96 conjugacy classes of subgroups.
| minimal degree | μ(G) = 45 |
| transitive degree | μt(G) = 15561 |
A minimal faithful permutation representation — 3 generators on 45 points:
(1,2,3,4,5,6,7)(9,10)(12,13)(15,16)(17,18)(19,20)(21,22)(23,24)(25,26)(28,29)(30,31)(32,33)(34,35)(36,37)(38,39)(40,41)(42,43)(44,45);(11,12,13)(14,15,17,19,21,23,25,26,24,22,20,18,16)(27,28,30,32,34,36,38,40,42,44,45,43,41,39,37,35,33,31,29);(8,9,10)7791 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(31122, 524);