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 | #2671 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
811 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(10,13)(14,16)(17,18,23,25)(19,26,20,21)(22,30,31,24)(27,29,28,32);(1,2)(3,7)(4,5)(6,8)(11,15)(14,16)(17,19,23,20)(18,21,25,26)(22,27,31,28)(24,29,30,32);(2,5)(6,7)(9,10,12,13)(11,14,15,16)(17,20,23,19)(18,21,25,26)(22,28,31,27)(24,29,30,32);(1,2)(3,6)(4,5)(7,8)(9,10)(11,14)(12,13)(15,16)(17,21)(18,19)(20,25)(22,29)(23,26)(24,27)(28,30)(31,32);(1,3)(2,6)(4,8)(5,7)(9,11)(10,14)(12,15)(13,16)(17,22,23,31)(18,24,25,30)(19,27,20,28)(21,29,26,32)Polycyclic presentation:
2^8|a^2=f,b^2=f,c^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×#53520, #8101112, #8101176, … |
| maximal normal subgroup of | C2×#53520, #8101112, #8101176, … |
| maximal quotient of | #585656, #585798, #587252, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 46508);