Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #61609 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C23×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25 |
| prime radical | #3546 | C2 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ #529 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
915 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 24 points:
(2,5)(3,7)(9,10,12,15)(11,17,18,24)(13,21,20,16)(14,22,23,19);(1,2)(3,6)(4,5)(7,8)(9,10)(11,14)(12,15)(13,16)(17,19)(18,23)(20,21)(22,24);(9,11,12,18)(10,14,15,23)(13,22,20,19)(16,24,21,17);(2,5)(6,8)(10,15)(14,23)(16,21)(17,24);(1,3,4,7)(2,6,5,8)(10,15)(14,23)(16,21)(17,24)Polycyclic presentation:
2^8|a^2=h,c^2=h,e^2=fh,g^2=h,b^a=bf,c^a=cg,d^a=dh,e^a=ef,g^a=gh,d^b=df,e^b=eh,g^c=gh49 conjugacy classes — view the full character table.
| maximal subgroup of | #6363817, #6363822, #6363887, … |
| maximal normal subgroup of | #6363817, #6363822, #6363887, … |
| maximal quotient of | #6386446, #6388565, #6388620, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 55032);