Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #40484 |
| automorphism | Aut(G) = C215 (order 32768) · Inn(G) = C25 · Out(G) = C210 |
| 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 | C2×#120 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
846 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2)(3,8)(4,6)(5,7)(11,15)(14,16)(17,18)(19,23)(20,21)(22,24);(1,2,6,4)(3,7,5,8)(9,10,13,12)(11,14,15,16)(18,21)(22,23);(1,3,6,5)(2,7,4,8)(9,11)(10,14)(12,16)(13,15)(17,18)(19,22)(20,21)(23,24);(1,4,6,2)(3,7,5,8)(17,19)(18,22)(20,24)(21,23);(1,5,6,3)(2,7,4,8)(9,12,13,10)(11,16,15,14)Polycyclic presentation:
2^8|b^2=g,c^2=fh,d^2=fh,e^2=g,b^a=bf,c^a=cg,d^a=df,c^b=ch,e^b=efh,d^c=dfh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#42342, #7640743, #7640832, … |
| maximal normal subgroup of | C2×#42342, #7640743, #7640832, … |
| maximal quotient of | #544767, #545219, #545827, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 35330);