Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #52308 |
| 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 | |
689 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 40 points:
(2,4)(3,7)(9,10)(11,17)(12,16)(13,14)(15,18)(19,23)(20,21)(22,24)(25,26,30,31)(27,33,35,28)(29,32,37,38)(34,39,40,36);(1,2,5,4)(3,8,7,6)(10,14)(11,18)(16,21)(19,24)(26,31)(28,33)(32,38)(36,39);(3,7)(6,8)(9,10)(11,15)(12,16)(13,14)(17,18)(19,22)(20,21)(23,24)(25,27)(26,28)(29,34)(30,35)(31,33)(32,36)(37,40)(38,39);(1,3,5,7)(2,6,4,8)(9,11,13,18)(10,15,14,17)(12,19,20,24)(16,22,21,23)(25,28)(26,27)(29,36)(30,33)(31,35)(32,34)(37,39)(38,40);(1,4,5,2)(3,8,7,6)(9,12,13,20)(10,16,14,21)(11,19,18,24)(15,22,17,23)(25,29,30,37)(26,32,31,38)(27,34,35,40)(28,36,33,39)Polycyclic presentation:
2^8|a^2=g,b^2=fgh,d^2=fg,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 | C2×#52793, #8092543, #8092636, … |
| maximal normal subgroup of | C2×#52793, #8092543, #8092636, … |
| maximal quotient of | #582338, #582510, #582556, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 45781);