Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #34980 |
| automorphism | Aut(G) order 131072 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, prime radical, cosocle | C23 | C25 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
794 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 5 generators on 24 points:
(2,5)(7,8)(9,10,12,14)(11,13,15,16)(18,22)(23,24);(1,2,6,5)(3,8,4,7)(17,18,21,22)(19,23,20,24);(1,3,6,4)(2,7,5,8)(9,10)(11,13)(12,14)(15,16)(17,19,21,20)(18,23,22,24);(1,4,6,3)(2,8,5,7);(1,5,6,2)(3,8,4,7)(9,11,12,15)(10,13,14,16)(17,20,21,19)(18,24,22,23)Polycyclic presentation:
2^8|a^2=g,b^2=f,c^2=f,d^2=h,e^2=fg,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 | #97653, #161593, #161877, … |
| maximal normal subgroup of | #97653, #161593, #161877, … |
| maximal quotient of | #516466, #516475, #516642, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 28196);