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) = C23×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C24 | C24 |
| prime radical | C25 | C23 |
| LCS | G ▷ C24 ▷ C1 | |
| UCS | C1 ◁ C24 ◁ G | |
| LECS | G ▷ C24 ▷ C1 | |
623 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 28 points:
(2,4)(5,6,8,10)(7,9,11,12)(13,14,17,18)(15,19,20,16)(23,27)(26,28);(7,11)(9,12)(14,18)(15,20)(21,22,25,24)(23,28,27,26);(5,7)(6,9)(8,11)(10,12)(13,15)(14,19)(16,18)(17,20)(21,23,25,27)(22,26,24,28);(1,2)(3,4)(5,6)(7,9)(8,10)(11,12)(13,16,17,19)(14,20,18,15)(21,24,25,22)(23,28,27,26)Polycyclic presentation:
2^8|a^2=fg,b^2=f,c^2=f,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×#16496, #611019, #611026, … |
| maximal normal subgroup of | C2×#16496, #611019, #611026, … |
| maximal quotient of | #155651, #155742, #155798, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 9484);