Finite Group DatabasebetaFinite Group Databasebeta| order | 18688 |
| nilpotency class | 3 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C42×C73 · Schur multiplier (H2) = C22×C4 |
| direct product | C73×#8255 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C4×C73 | C2×C22⋊C4 |
| commutator | C2×C4 | C2×C42×C73 |
| Frattini, cosocle | C2×C42 | C23×C73 |
| socle | C22×C73 | C4×C22⋊C4 |
| prime radical | #532×C73 | C22 |
| LCS | G ▷ C2×C4 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C2×C4×C73 ◁ C2×C4×C8×C73 ◁ G | |
470 conjugacy classes of subgroups.
| minimal degree | μ(G) = 97 |
| transitive degree | μt(G) = 4672 |
A minimal faithful permutation representation — 3 generators on 97 points:
(2,6)(3,4)(7,8)(9,10,14,18,15,20,13,19)(11,21,22,16,23,12,17,24)(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);(1,2,4,7,5,8,3,6)(9,11,13,17,15,23,14,22)(10,16,19,21,20,24,18,12);(9,12,14,24,15,21,13,16)(10,17,18,11,20,22,19,23)4672 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(18688, 1243);