Finite Group DatabasebetaFinite Group Databasebeta| order | 21248 |
| nilpotency class | 3 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4×C83 · Schur multiplier (H2) = C24 |
| direct product | C83×#11304 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C4×C83 | #121 |
| commutator | C22×C4 | C22×C4×C83 |
| Frattini, cosocle | C23×C4 | C23×C83 |
| socle | C22×C83 | #388 |
| prime radical | C24×C83 | #41 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4×C83 ◁ C23×C4×C83 ◁ G | |
578 conjugacy classes of subgroups.
| minimal degree | μ(G) = 103 |
| transitive degree | μt(G) = 2656 |
A minimal faithful permutation representation — 3 generators on 103 points:
(1,2,4,3)(5,6,9,15,10,14,20,13)(7,8,17,18,12,19,16,11)(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);(1,3,4,2)(5,7,10,12)(6,11,14,18)(8,13,19,15)(9,17,20,16);(2,3)(5,8,9,18,10,19,20,11)(6,12,13,17,14,7,15,16)4316 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21248, 4292);