Finite Group DatabasebetaFinite Group Databasebeta| order | 21248 |
| nilpotency class | 3 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C83 · Schur multiplier (H2) = C22 |
| direct product | C83×#10438 |
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23×C83 | #120 |
| commutator, Frattini, cosocle | C2×C42 | C23×C83 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23×C83 ◁ C2×C42×C83 ◁ G | |
462 conjugacy classes of subgroups.
| minimal degree | μ(G) = 103 |
| transitive degree | μt(G) = 21248 |
A minimal faithful permutation representation — 3 generators on 103 points:
(2,3)(5,6,7,9)(8,10,12,11)(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);(1,2)(3,4)(6,9)(10,11)(13,14,16,19)(15,17,20,18);(1,3,4,2)(6,10)(8,12)(9,11)(14,17)(15,20)(18,19)3818 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21248, 3426);