Finite Group DatabasebetaFinite Group Databasebeta| order | 21248 |
| nilpotency class | 3 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4×C83 · Schur multiplier (H2) = C22 |
| direct product | C83×#8879 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C4×C83 | #120 |
| commutator | C22×C4 | C22×C4×C83 |
| Frattini, cosocle | C2×C42 | C23×C83 |
| socle | C22×C83 | #385 |
| prime radical | C23×C83 | C4×D4 |
| LCS | G ▷ C22×C4 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C2×C4×C83 ◁ C2×C42×C83 ◁ G | |
364 conjugacy classes of subgroups.
| minimal degree | μ(G) = 107 |
| transitive degree | μt(G) = 5312 |
A minimal faithful permutation representation — 3 generators on 107 points:
(2,7)(3,8)(4,5)(9,10,13,18,15,19,14,17)(11,20,16,23,22,24,21,12)(25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107);(1,2)(3,4)(5,7)(6,8)(9,11,13,16,15,22,14,21)(10,12,18,20,19,23,17,24);(1,3,6,7)(2,4,8,5)(9,12,15,23)(10,16,19,21)(11,18,22,17)(13,20,14,24)3818 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21248, 1867);