Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #42996 |
| 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 | |
711 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 5 generators on 32 points:
(2,5)(6,7)(11,15)(13,16)(17,18,22,20)(19,25,26,23)(21,28,29,24)(27,30,32,31);(1,2,4,5)(3,7,8,6)(9,10,12,14)(11,13,15,16)(18,20)(19,26)(21,29)(30,31);(9,11,12,15)(10,13,14,16)(17,19,22,26)(18,23,20,25)(21,27,29,32)(24,30,28,31);(1,3,4,8)(2,6,5,7)(17,20,22,18)(19,23,26,25)(21,28,29,24)(27,30,32,31);(17,21,22,29)(18,24,20,28)(19,27,26,32)(23,30,25,31)Polycyclic presentation:
2^8|a^2=h,b^2=fg,c^2=g,d^2=f,e^2=h,b^a=bf,c^a=cg,e^a=eh,c^b=ch,d^b=df,e^b=eh,d^c=dh58 conjugacy classes — view the full character table.
| maximal subgroup of | #7168474, #7168478, #7168498, … |
| maximal normal subgroup of | #7168474, #7168478, #7168498, … |
| maximal quotient of | #535418, #535467, #536076, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 38140);