Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #14715 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C22×C4 |
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 | |
511 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)(3,7)(9,10,13,11)(12,15,16,14)(18,19)(20,24)(27,31)(30,32);(10,11)(14,15)(17,18,21,19)(20,22,24,23)(25,26,29,28)(27,30,31,32);(1,2)(3,6)(4,5)(7,8)(9,11,13,10)(12,15,16,14)(17,19,21,18)(20,23,24,22)(25,27)(26,30)(28,32)(29,31);(1,3,4,7)(2,6,5,8)(9,12,13,16)(10,14,11,15)(17,20)(18,22)(19,23)(21,24)(25,28,29,26)(27,32,31,30)Polycyclic presentation:
2^8|a^2=g,b^2=efh,c^2=e,d^2=ef,b^a=be,c^a=cf,d^a=dh,c^b=cg64 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#15057, #608143, #608150, … |
| maximal normal subgroup of | C2×#15057, #608143, #608150, … |
| maximal quotient of | #154151, #154220, #154223, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 8045);