Finite Group DatabasebetaFinite Group Databasebeta| order | 21248 |
| nilpotency class | 2 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C64×C83 · Schur multiplier (H2) = C2 |
| direct product | C83×C4⋊C64 |
| unambiguous semidirect product | C4⋊(C64×C83) |
| subgroup | G/H | |
|---|---|---|
| center | C2×C32×C83 | C22 |
| commutator | C2 | C2×C64×C83 |
| Frattini, cosocle | C2×C32 | C22×C83 |
| socle, prime radical | C22×C83 | C2×C32 |
| LCS | G ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C32×C83 ◁ G | |
74 conjugacy classes of subgroups.
| minimal degree | μ(G) = 151 |
| transitive degree | μt(G) = 21248 |
A minimal faithful permutation representation — 2 generators on 151 points:
(2,4)(5,6,7,12,8,13,17,27,9,14,18,28,21,31,37,47,10,15,19,29,22,32,38,48,24,34,40,50,43,53,57,62,11,16,20,30,23,33,39,49,25,35,41,51,44,54,58,63,26,36,42,52,45,55,59,64,46,56,60,65,61,66,67,68)(69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151);(1,2,3,4)13280 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21248, 531);