Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #17082 |
| 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 | |
583 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 32 points:
(2,5)(3,7)(9,10,12,13)(11,15,16,14)(17,18,20,22)(19,21,23,24)(25,26,29,32)(27,28,31,30);(3,7)(6,8)(10,13)(14,15)(19,23)(21,24)(25,27,29,31)(26,30,32,28);(1,2,4,5)(3,6,7,8)(9,10)(11,15)(12,13)(14,16)(17,19)(18,21)(20,23)(22,24)(25,27)(26,30)(28,32)(29,31);(1,3,4,7)(2,6,5,8)(9,11,12,16)(10,14,13,15)(17,18)(19,21)(20,22)(23,24)(25,28,29,30)(26,31,32,27)Polycyclic presentation:
2^8|a^2=g,b^2=efgh,c^2=ef,d^2=f,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^b=def,d^c=de46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#17296, #845169, #845171, … |
| maximal normal subgroup of | C2×#17296, #845169, #845171, … |
| maximal quotient of | #156546, #156548, #156563, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 10284);