Finite Group DatabasebetaFinite Group Databasebeta| order | 18688 |
| nilpotency class | 3 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C73 · Schur multiplier (H2) = C24×C8 |
| direct product | C2×C73×#1709 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C23×C73 | #127 |
| commutator, Frattini, cosocle | C42 | C24×C73 |
| prime radical | C2×#493×C73 | C2 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23×C73 ◁ C2×C42×C73 ◁ G | |
982 conjugacy classes of subgroups.
| minimal degree | μ(G) = 99 |
| transitive degree | μt(G) = 9344 |
A minimal faithful permutation representation — 4 generators on 99 points:
(1,2)(27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99);(4,5)(6,7)(9,10)(11,12)(13,19)(14,22)(15,17)(16,20)(18,23)(21,25)(24,26);(3,4,7,9,8,10,6,5)(11,13,14,20,15,21,23,26)(12,16,18,19,17,24,22,25);(3,5,6,10,8,9,7,4)(12,17)(16,24)(18,22)(19,25)5548 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(18688, 12585);