Finite Group DatabasebetaFinite Group Databasebeta| order | 21248 |
| nilpotency class | 2 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C42×C83 · Schur multiplier (H2) = C28×C4 |
| direct product | C2×C4×#131×C83 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C4×C8×C83 | C22 |
| commutator | C2 | C23×C42×C83 |
| Frattini, cosocle | C2×C4 | C25×C83 |
| socle | C23×C83 | C23×C4 |
| prime radical | C22×#41×C83 | C22 |
| LCS | G ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4×C8×C83 ◁ G | |
3366 conjugacy classes of subgroups.
| minimal degree | μ(G) = 105 |
| transitive degree | μt(G) = 10624 |
A minimal faithful permutation representation — 5 generators on 105 points:
(1,2)(23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105);(3,4,5,6);(7,8,10,13,11,14,17,20)(9,12,16,19,15,18,21,22);(7,9)(8,12)(10,16)(11,15)(13,19)(14,18)(17,21)(20,22);(9,15)(12,18)(16,21)(19,22)13280 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21248, 53043);