Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #15257 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C2×C42 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, prime radical, cosocle | C24 | C24 |
| LCS | G ▷ C24 ▷ C1 | |
| UCS | C1 ◁ C24 ◁ G | |
| LECS | G ▷ C24 ▷ C1 | |
549 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 32 points:
(2,5)(6,8)(9,10,12,14)(11,13,15,16)(17,18,21,20)(19,23,24,22)(26,27)(28,32);(2,5)(6,8)(18,20)(19,24)(25,26,29,27)(28,31,32,30);(1,2)(3,6)(4,5)(7,8)(9,10)(11,13)(12,14)(15,16)(17,19,21,24)(18,22,20,23)(25,27,29,26)(28,31,32,30);(1,3,4,7)(2,6,5,8)(9,11,12,15)(10,13,14,16)(17,20,21,18)(19,23,24,22)(25,28,29,32)(26,30,27,31)Polycyclic presentation:
2^8|a^2=efg,b^2=h,c^2=e,d^2=f,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^b=de58 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#16137, #610237, #610270, … |
| maximal normal subgroup of | C2×#16137, #610237, #610270, … |
| maximal quotient of | #154828, #154833, #154870, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 9125);