Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #53390 |
| 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 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
869 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 24 points:
(10,13)(11,12)(17,18,20,22)(19,23,24,21);(1,2)(3,7)(4,5)(6,8)(9,10,14,13)(11,16,12,15)(17,18,20,22)(19,21,24,23);(2,5)(6,7)(9,11,14,12)(10,15,13,16)(17,18)(19,21)(20,22)(23,24);(1,2)(3,6)(4,5)(7,8)(9,12,14,11)(10,16,13,15)(17,19,20,24)(18,21,22,23);(1,3)(2,6)(4,8)(5,7)(9,13,14,10)(11,16,12,15)Polycyclic presentation:
2^8|a^2=fg,b^2=g,c^2=f,d^2=g,e^2=f,b^a=bf,c^a=cg,d^a=dg,e^a=ef,c^b=ch,d^b=df,e^b=egh,d^c=dgh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#53689, #8101170, #8101194, … |
| maximal normal subgroup of | C2×#53689, #8101170, #8101194, … |
| maximal quotient of | #586236, #586934, #587076, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 46677);