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 | |
694 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)(6,7)(9,10)(11,17)(12,14)(13,20)(15,18)(16,21)(19,22)(23,24)(25,26,29,30)(27,33,35,31)(28,36,37,32)(34,39,38,40);(1,2,5,4)(3,7,8,6)(10,12)(11,18)(16,20)(19,24)(26,30)(28,37)(31,33)(34,38);(9,11)(10,15)(12,17)(13,19)(14,18)(16,22)(20,23)(21,24)(25,27)(26,31)(28,38)(29,35)(30,33)(32,40)(34,37)(36,39);(1,3,5,8)(2,6,4,7)(9,12,14,10)(11,17,18,15)(13,20,21,16)(19,23,24,22)(25,28,29,37)(26,32,30,36)(27,34,35,38)(31,39,33,40);(1,4,5,2)(3,7,8,6)(9,13)(10,16)(11,19)(12,20)(14,21)(15,22)(17,23)(18,24)(25,26)(27,31)(28,32)(29,30)(33,35)(34,39)(36,37)(38,40)Polycyclic presentation:
2^8|a^2=gh,b^2=fg,d^2=f,e^2=fg,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×#54473, #8103696, #8103866, … |
| maximal normal subgroup of | C2×#54473, #8103696, #8103866, … |
| maximal quotient of | #586180, #586426, #587204, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 47461);