Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #34980 |
| automorphism | Aut(G) order 131072 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | C24 | C24 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
845 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(3,7)(6,8)(9,10,14,13)(11,16,12,15)(18,21)(22,24);(2,5)(6,8)(9,11,14,12)(10,15,13,16)(17,18,20,21)(19,22,23,24);(1,2)(3,6)(4,5)(7,8)(9,12,14,11)(10,16,13,15);(1,2)(3,6)(4,5)(7,8)(9,13,14,10)(11,16,12,15)(17,19,20,23)(18,22,21,24);(1,3)(2,6)(4,7)(5,8)Polycyclic presentation:
2^8|a^2=g,b^2=f,c^2=g,d^2=f,b^a=bf,c^a=cg,e^a=eh,c^b=ch,d^b=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | #96948, #97109, #97158, … |
| maximal normal subgroup of | #96948, #97109, #97158, … |
| maximal quotient of | #516467, #516643, #516721, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 28001);