Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #45438 |
| 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 | #2678 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
853 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 24 points:
(3,7)(6,8)(9,10,13,14)(11,15,16,12)(18,22)(23,24);(2,5)(3,7)(10,14)(11,16);(1,2)(3,6)(4,5)(7,8)(9,11,13,16)(10,15,14,12)(17,18,21,22)(19,23,20,24);(1,3,4,7)(2,6,5,8)(9,12,13,15)(10,16,14,11)(17,19,21,20)(18,23,22,24);(1,2)(3,6)(4,5)(7,8)(9,10)(11,15)(12,16)(13,14)(17,20,21,19)(18,24,22,23)Polycyclic presentation:
2^8|a^2=f,c^2=fg,d^2=gh,e^2=g,b^a=bf,c^a=cg,d^a=dh,e^a=ef,c^b=ch,d^b=dfh,e^b=eh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#46121, #7702566, #7702717, … |
| maximal normal subgroup of | C2×#46121, #7702566, #7702717, … |
| maximal quotient of | #557183, #557192, #557477, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 39109);