Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #52308 |
| 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, cosocle | C23 | C25 |
| prime radical | #392 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
711 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 40 points:
(2,5)(3,7)(12,20)(16,21)(18,24)(22,23)(25,26,30,33)(27,31,35,29)(28,36,39,32)(34,38,37,40);(2,5)(6,8)(10,14)(15,17)(16,21)(22,23)(25,27,30,35)(26,29,33,31)(28,37,39,34)(32,40,36,38);(1,2)(3,6)(4,5)(7,8)(9,10,13,14)(11,17,19,15)(12,16,20,21)(18,23,24,22)(25,27)(26,31)(28,34)(29,33)(30,35)(32,40)(36,38)(37,39);(1,3)(2,6)(4,7)(5,8)(9,11,13,19)(10,15,14,17)(12,18,20,24)(16,22,21,23)(25,28,30,39)(26,32,33,36)(27,34,35,37)(29,38,31,40);(9,12)(10,16)(11,18)(13,20)(14,21)(15,22)(17,23)(19,24)(25,29,30,31)(26,27,33,35)(28,38,39,40)(32,34,36,37)Polycyclic presentation:
2^8|a^2=f,b^2=f,c^2=fgh,d^2=gh,e^2=f,b^a=bf,c^a=cg,d^a=dfg,e^a=efgh,c^b=ch,d^b=df,d^c=dfgh46 conjugacy classes — view the full character table.
| maximal subgroup of | #133025, #487146, #487274, … |
| maximal normal subgroup of | #133025, #487146, #487274, … |
| maximal quotient of | #582185, #582428, #582635, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 45908);