Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #53390 |
| 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 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
859 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2,5,3)(4,7,8,6)(17,18)(19,21)(20,23)(22,24);(2,3)(6,7)(9,10,13,14)(11,12,15,16)(18,19)(22,23);(10,14)(11,15)(17,18,21,19)(20,22,24,23);(1,3,5,2)(4,7,8,6)(9,11)(10,12)(13,15)(14,16)(17,19,21,18)(20,23,24,22);(1,4)(2,6)(3,7)(5,8)(9,12)(10,11)(13,16)(14,15)(17,20,21,24)(18,22,19,23)Polycyclic presentation:
2^8|a^2=fg,b^2=gh,c^2=g,d^2=f,e^2=g,b^a=bf,c^a=cg,d^a=dg,e^a=ef,c^b=ch,d^b=df,e^b=egh,d^c=dgh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#55396, #8101026, #8101193, … |
| maximal normal subgroup of | C2×#55396, #8101026, #8101193, … |
| maximal quotient of | #586317, #586997, #587032, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 48384);