Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #36702 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, prime radical, cosocle | C23 | C25 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
660 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 5 generators on 40 points:
(1,2,5,4)(3,7,8,6)(10,14)(12,19)(15,20)(18,23)(25,26,30,33)(27,34,28,31)(29,37,38,32)(35,39,36,40);(10,14)(11,17)(16,21)(18,23)(25,27,30,28)(26,31,33,34)(29,35,38,36)(32,39,37,40);(1,3,5,8)(2,6,4,7)(9,10,13,14)(11,15,17,20)(12,16,19,21)(18,22,23,24)(25,28,30,27)(26,31,33,34)(29,36,38,35)(32,39,37,40);(1,4,5,2)(3,7,8,6)(9,11,13,17)(10,15,14,20)(12,18,19,23)(16,22,21,24)(25,26)(27,34)(28,31)(29,32)(30,33)(35,40)(36,39)(37,38);(9,12,13,19)(10,16,14,21)(11,18,17,23)(15,22,20,24)(25,29,30,38)(26,32,33,37)(27,35,28,36)(31,39,34,40)Polycyclic presentation:
2^8|a^2=fgh,b^2=f,c^2=fg,d^2=g,e^2=fh,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 | #6486327, #6486336, #6486340, … |
| maximal normal subgroup of | #6486327, #6486336, #6486340, … |
| maximal quotient of | #553823, #553837, #554053, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 30401);