Finite Group DatabasebetaFinite Group Databasebeta| order | 18688 |
| nilpotency class | 2 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C42×C73 · Schur multiplier (H2) = C25×C4 |
| direct product | C2×C73×#1750 |
| subgroup | G/H | |
|---|---|---|
| center | C23×C4×C73 | C23 |
| commutator | C22 | C22×C42×C73 |
| Frattini, cosocle | C22×C4 | C24×C73 |
| socle | C24×C73 | C22×C4 |
| prime radical | C25×C73 | C2×C4 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23×C4×C73 ◁ G | |
1766 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);(3,4)(5,6)(7,8,10,9)(11,12)(13,16)(14,18)(15,17)(19,23)(20,22)(21,24)(25,26);(4,6)(11,13,14,19,15,20,21,25)(12,16,18,23,17,22,24,26);(7,9,10,8)(12,17)(16,22)(18,24)(23,26)8176 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(18688, 13360);