Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #58990 |
| automorphism | Aut(G) = C215 (order 32768) · Inn(G) = C25 · Out(G) = C210 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | C2×#120 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
916 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2)(3,7)(4,5)(6,8)(9,10)(11,12)(13,15)(14,16)(18,21)(22,24);(2,5)(6,7)(9,11,13,16)(10,12,15,14)(17,18)(19,22)(20,21)(23,24);(9,11)(10,14)(12,15)(13,16)(17,19,20,23)(18,22,21,24);(1,2)(3,6)(4,5)(7,8)(9,11)(10,14)(12,15)(13,16);(1,3)(2,6)(4,8)(5,7)(9,12,13,14)(10,11,15,16)(17,18)(19,22)(20,21)(23,24)Polycyclic presentation:
2^8|b^2=g,c^2=fgh,e^2=g,b^a=bf,c^a=cg,d^a=dg,e^a=ef,c^b=cg,d^b=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#59558, #7665800, #7666086, … |
| maximal normal subgroup of | C2×#59558, #7665800, #7666086, … |
| maximal quotient of | #531996, #532165, #532209, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 52546);