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 | |
838 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2,5,7)(3,4,8,6)(9,10)(11,13)(12,15)(14,16)(18,21)(22,23);(1,3,5,8)(2,6,7,4)(10,11)(14,15)(17,18,20,21)(19,23,24,22);(9,10,13,11)(12,14,16,15)(17,19,20,24)(18,22,21,23);(1,3)(2,4)(5,8)(6,7)(9,11,13,10)(12,15,16,14)(17,19)(18,22)(20,24)(21,23);(1,4)(2,3)(5,6)(7,8)(9,12,13,16)(10,14,11,15)(17,18)(19,22)(20,21)(23,24)Polycyclic presentation:
2^8|a^2=fh,b^2=fg,c^2=h,d^2=g,e^2=g,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×#57050, #8099980, #8100308, … |
| maximal normal subgroup of | C2×#57050, #8099980, #8100308, … |
| maximal quotient of | #586006, #586560, #586786, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 50038);