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 | #2825 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
778 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(9,10,12,14)(11,15,16,13)(17,18,22,23)(19,21,27,24)(20,28,29,25)(26,32,30,31);(1,2)(3,7)(4,6)(5,8)(9,10,12,14)(11,13,16,15)(18,23)(20,29)(21,24)(26,30);(1,2,4,6)(3,5,8,7)(9,10)(11,13)(12,14)(15,16)(17,19)(18,24)(20,30)(21,23)(22,27)(25,31)(26,29)(28,32);(1,2)(3,5)(4,6)(7,8)(9,11)(10,13)(12,16)(14,15)(17,20,22,29)(18,25,23,28)(19,26,27,30)(21,31,24,32);(1,3)(2,5)(4,8)(6,7)(17,21,22,24)(18,19,23,27)(20,31,29,32)(25,26,28,30)Polycyclic presentation:
2^8|a^2=g,b^2=fg,c^2=fgh,d^2=f,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×#56374, #8099263, #8099301, … |
| maximal normal subgroup of | C2×#56374, #8099263, #8099301, … |
| maximal quotient of | #585319, #586535, #587151, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 49362);