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, prime radical, cosocle | C23 | C25 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
700 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 5 generators on 32 points:
(9,10,12,14)(11,15,16,13)(17,18,22,20)(19,25,27,23)(21,28,30,24)(26,31,29,32);(1,2)(3,4)(5,6)(7,8)(17,19,22,27)(18,23,20,25)(21,29,30,26)(24,32,28,31);(2,6)(3,7)(9,11,12,16)(10,13,14,15)(17,19)(18,23)(20,25)(21,26)(22,27)(24,31)(28,32)(29,30);(1,3,5,7)(2,4,6,8)(17,20,22,18)(19,23,27,25)(21,28,30,24)(26,31,29,32);(1,4)(2,7)(3,6)(5,8)(17,21,22,30)(18,24,20,28)(19,26,27,29)(23,31,25,32)Polycyclic presentation:
2^8|a^2=g,b^2=f,c^2=fg,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×#47730, #7701653, #7701710, … |
| maximal normal subgroup of | C2×#47730, #7701653, #7701710, … |
| maximal quotient of | #576754, #576765, #576768, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 40718);