Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #34980 |
| 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 | C24 | C24 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
772 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(2,5)(6,8)(9,10,13,16)(11,12,15,14)(20,27)(24,29)(26,31)(30,32);(9,11,13,15)(10,14,16,12)(18,22)(19,25)(24,29)(26,31);(1,2,4,5)(3,6,7,8)(9,10)(11,14)(12,15)(13,16)(17,18)(19,23)(20,24)(21,22)(25,28)(26,30)(27,29)(31,32);(17,19,21,25)(18,23,22,28)(20,26,27,31)(24,30,29,32);(1,3,4,7)(2,6,5,8)(9,12,13,14)(10,15,16,11)(17,20)(18,24)(19,26)(21,27)(22,29)(23,30)(25,31)(28,32)Polycyclic presentation:
2^8|a^2=f,b^2=f,c^2=fg,d^2=h,e^2=g,b^a=bf,c^a=cg,e^a=eh,c^b=ch,d^b=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | #6455267, #6455269, #6455281, … |
| maximal normal subgroup of | #6455267, #6455269, #6455281, … |
| maximal quotient of | #516490, #516568, #516648, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 28205);