Finite Group DatabasebetaFinite Group Databasebeta| order | 18688 |
| nilpotency class | 4 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4×C73 · Schur multiplier (H2) = C23 |
| direct product | C73×#11697 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C4×C73 | #99 |
| commutator | C22×C4 | C22×C4×C73 |
| Frattini, cosocle | C2×C4⋊C4 | C23×C73 |
| socle | C22×C73 | C2×#99 |
| prime radical | #392×C73 | C4 |
| LCS | G ▷ C22×C4 ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4×C73 ◁ C22×C4×C73 ◁ C2×#117×C73 ◁ G | |
536 conjugacy classes of subgroups.
| minimal degree | μ(G) = 97 |
| transitive degree | μt(G) = 2336 |
A minimal faithful permutation representation — 3 generators on 97 points:
(1,2)(3,5)(4,7)(6,8)(9,10,12,16,13,14,19,21)(11,15,17,22,18,20,23,24)(25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97);(2,5)(3,8)(6,7)(10,14)(15,20);(9,11,13,18)(10,15,14,20)(12,17,19,23)(16,22,21,24)3358 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(18688, 4685);