Finite Group DatabasebetaFinite Group Databasebeta| order | 21248 |
| nilpotency class | 3 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C42×C83 · Schur multiplier (H2) = C23 |
| direct product | C83×#8287 |
| subgroup | G/H | |
|---|---|---|
| center | C22×C4×C83 | C2×D4 |
| commutator | C2×C4 | C2×C42×C83 |
| Frattini, cosocle | C2×C42 | C23×C83 |
| socle, prime radical | C23×C83 | C4×D4 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C4×C83 ◁ C2×C4×C8×C83 ◁ G | |
398 conjugacy classes of subgroups.
| minimal degree | μ(G) = 103 |
| transitive degree | μt(G) = 21248 |
A minimal faithful permutation representation — 3 generators on 103 points:
(5,6,8,10,9,12,7,11)(13,14,17,19,16,18,20,15)(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);(1,2,3,4)(6,10)(7,8)(11,12)(14,18)(15,19);(5,7,9,8)(6,10,12,11)(13,15,20,18,16,19,17,14)5312 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21248, 1275);