Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #42996 |
| 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, prime radical, cosocle | C23 | C25 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
707 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 5 generators on 32 points:
(1,2,5,4)(3,6,8,7)(11,15)(13,16)(17,18)(19,23)(20,24)(21,22)(25,27)(26,31)(28,30)(29,32);(2,4)(6,7)(9,10,12,14)(11,13,15,16)(18,21)(19,25)(20,28)(31,32);(1,3,5,8)(2,6,4,7)(9,11,12,15)(10,13,14,16)(17,19,22,25)(18,23,21,27)(20,29,28,26)(24,32,30,31);(1,4,5,2)(3,7,8,6)(17,20,22,28)(18,24,21,30)(19,26,25,29)(23,31,27,32);(17,21,22,18)(19,27,25,23)(20,30,28,24)(26,32,29,31)Polycyclic presentation:
2^8|a^2=fh,b^2=g,c^2=fg,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 | #7115974, #7115980, #7115990, … |
| maximal normal subgroup of | #7115974, #7115980, #7115990, … |
| maximal quotient of | #535402, #535514, #536124, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 38142);