Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #16249 |
| 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 | |
579 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 28 points:
(2,4)(6,9)(7,11)(13,14,17,15)(16,19,20,18)(23,27)(26,28);(6,9)(10,12)(14,15)(18,19)(21,22,25,24)(23,26,27,28);(5,6,8,9)(7,10,11,12)(13,15,17,14)(16,18,20,19)(21,23)(22,26)(24,28)(25,27);(1,2)(3,4)(5,7,8,11)(6,10,9,12)(13,16,17,20)(14,18,15,19)(21,24,25,22)(23,28,27,26)Polycyclic presentation:
2^8|a^2=e,b^2=efg,c^2=g,d^2=ef,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^c=de52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#16617, #611213, #611230, … |
| maximal normal subgroup of | C2×#16617, #611213, #611230, … |
| maximal quotient of | #155669, #155701, #155704, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 9605);