Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #45438 |
| automorphism | Aut(G) order 131072 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C26×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | C22×D4 | C23 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
742 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(1,2,6,7)(3,4,5,8)(11,15)(14,16)(17,18,21,24)(19,25,27,22)(20,23,29,28)(26,31,32,30);(2,7)(3,5)(9,10,13,12)(11,14,15,16)(17,18,21,24)(19,25,27,22)(20,28,29,23)(26,30,32,31);(1,3,6,5)(2,8,7,4)(9,11)(10,14)(12,16)(13,15)(17,18)(19,22)(20,23)(21,24)(25,27)(26,30)(28,29)(31,32);(1,4)(2,3)(5,7)(6,8)(17,19,21,27)(18,22,24,25)(20,26,29,32)(23,30,28,31);(1,5,6,3)(2,4,7,8)(9,12,13,10)(11,16,15,14)(17,20,21,29)(18,23,24,28)(19,26,27,32)(22,30,25,31)Polycyclic presentation:
2^8|a^2=h,b^2=fg,c^2=f,d^2=fh,e^2=g,b^a=bf,c^a=cg,d^a=dh,e^a=ef,c^b=ch,d^b=dfh,e^b=eh52 conjugacy classes — view the full character table.
| maximal subgroup of | #130361, #133713, #486038, … |
| maximal normal subgroup of | #130361, #133713, #486038, … |
| maximal quotient of | #557335, #557546, #557770, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 39184);