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 |
| prime radical | C22×D4 | C23 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
681 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 40 points:
(1,2,6,4)(3,7,5,8)(9,10)(11,17)(12,20)(13,14)(15,19)(16,21)(18,23)(22,24)(25,26)(27,32)(28,34)(29,31)(30,33)(35,39)(36,40)(37,38);(2,4)(3,5)(10,13)(12,21)(15,17)(18,22)(25,27,31,28)(26,32,29,34)(30,36,38,35)(33,40,37,39);(1,3,6,5)(2,7,4,8)(9,11)(10,15)(12,22)(13,17)(14,19)(16,24)(18,21)(20,23)(25,28,31,27)(26,32,29,34)(30,36,38,35)(33,39,37,40);(1,4,6,2)(3,7,5,8)(9,12)(10,16)(11,18)(13,20)(14,21)(15,23)(17,24)(19,22)(25,29,31,26)(27,34,28,32)(30,37,38,33)(35,40,36,39);(1,5,6,3)(2,7,4,8)(9,13,14,10)(11,17,19,15)(12,20,21,16)(18,24,22,23)(25,30)(26,33)(27,35)(28,36)(29,37)(31,38)(32,39)(34,40)Polycyclic presentation:
2^8|a^2=h,b^2=fgh,c^2=fg,d^2=fg,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×#55906, #8103133, #8103186, … |
| maximal normal subgroup of | C2×#55906, #8103133, #8103186, … |
| maximal quotient of | #585621, #586029, #586419, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 48894);