| order | 21450 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C3 · Schur multiplier (H2) = C1 |
| unambiguous semidirect product | C11⋊(C25⋊(D13⋊C3)) |
| unambiguous semidirect product | C25⋊(C11⋊(D13⋊C3)) |
| unambiguous semidirect product | (C13⋊C3)⋊D275 |
| unambiguous semidirect product | D3575⋊C3 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C1 | G |
| commutator, Fitting, cosocle, hypocenter | C11×C13×C25 | C2×C3 |
| Frattini | C5 | C5⋊(C11⋊(D13⋊C3)) |
| socle | C5×C11×C13 | C3×D5 |
| LCS | G ▷ C11×C13×C25 | |
| UCS | C1 | |
48 conjugacy classes of subgroups.
| minimal degree | μ(G) = 49 |
| transitive degree | μt(G) = 3575 |
A minimal faithful permutation representation — 2 generators on 49 points:
(2,6,7,3,4,8)(5,12,11,9,10,13)(15,16)(17,18)(19,20)(21,22)(23,24)(26,28)(27,31)(29,34)(30,37)(32,40)(33,39)(35,36)(38,44)(41,45)(42,46)(43,48)(47,49);(1,2,5,4,8,11,10,12,13,7,6,9,3)(14,15,17,19,21,23,24,22,20,18,16)(25,39,49,42,28,31,45,43,34,37,40,38,36,35,44,32,30,29,48,41,27,26,46,47,33)Polycyclic presentation:
2,3,5,11,13,5|c^5=f^4,c^a=c^4f,d^a=d^10,e^a=e^12,f^a=f^4,e^b=e^3967 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21450, 33);