Finite Group DatabasebetaFinite Group Databasebeta| order | 21248 |
| nilpotency class | 3 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C8×C83 · Schur multiplier (H2) = C27 |
| direct product | C22×D4⋊C8×C83 |
| subgroup | G/H | |
|---|---|---|
| center | C23×C4×C83 | D4 |
| commutator | C4 | C23×C8×C83 |
| Frattini, cosocle | C42 | C24×C83 |
| socle | C24×C83 | C22⋊C4 |
| prime radical | C23×D4×C83 | C4 |
| LCS | G ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23×C4×C83 ◁ C22×C42×C83 ◁ G | |
1886 conjugacy classes of subgroups.
| minimal degree | μ(G) = 103 |
| transitive degree | μt(G) = 10624 |
A minimal faithful permutation representation — 4 generators on 103 points:
(1,2)(21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103);(3,4);(5,6)(7,9)(8,11)(10,12)(13,14,15,17,16,18,19,20);(6,9)(7,12)(10,11)9296 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21248, 10419);