Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #46350 |
| 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 | C24 | C24 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
720 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(11,15)(13,16)(17,18,22,20)(19,25,26,23)(21,28,29,24)(27,30,32,31);(1,2)(3,4)(5,6)(7,8)(9,10,12,14)(11,13,15,16)(18,20)(19,26)(21,29)(30,31);(2,6)(3,7)(9,11,12,15)(10,13,14,16)(17,19,22,26)(18,23,20,25)(21,27,29,32)(24,30,28,31);(1,3,5,7)(2,4,6,8)(17,20,22,18)(19,23,26,25)(21,28,29,24)(27,30,32,31);(1,4)(2,7)(3,6)(5,8)(17,21,22,29)(18,24,20,28)(19,27,26,32)(23,30,25,31)Polycyclic presentation:
2^8|a^2=f,b^2=fg,c^2=g,d^2=h,e^2=f,b^a=bf,c^a=cg,e^a=ef,c^b=ch,d^b=df,e^b=eh,d^c=dh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#47739, #7701647, #7701713, … |
| maximal normal subgroup of | C2×#47739, #7701647, #7701713, … |
| maximal quotient of | #576682, #576726, #576768, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 40727);