Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #36702 |
| 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 | C24 | C24 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
668 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 40 points:
(1,2,4,6)(3,5,7,8)(12,19)(16,21)(18,23)(22,24)(25,26)(27,34)(28,32)(29,31)(30,37)(33,38)(35,39)(36,40);(10,14)(11,17)(16,21)(18,23)(25,27,31,28)(26,32,29,34)(30,35,38,36)(33,39,37,40);(1,2)(3,5)(4,6)(7,8)(9,10)(11,15)(12,16)(13,14)(17,20)(18,22)(19,21)(23,24)(25,28,31,27)(26,32,29,34)(30,36,38,35)(33,39,37,40);(9,11,13,17)(10,15,14,20)(12,18,19,23)(16,22,21,24)(25,29,31,26)(27,32,28,34)(30,37,38,33)(35,39,36,40);(1,3,4,7)(2,5,6,8)(9,12)(10,16)(11,18)(13,19)(14,21)(15,22)(17,23)(20,24)(25,30,31,38)(26,33,29,37)(27,35,28,36)(32,39,34,40)Polycyclic presentation:
2^8|a^2=g,b^2=f,c^2=f,d^2=fh,e^2=fg,b^a=bf,c^a=cg,d^a=df,e^a=efh,c^b=ch,d^b=dfh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#37170, #7634480, #7634504, … |
| maximal normal subgroup of | C2×#37170, #7634480, #7634504, … |
| maximal quotient of | #553881, #553887, #554099, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 30158);