Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #47826 |
| automorphism | Aut(G) = C215 (order 32768) · Inn(G) = C25 · Out(G) = C210 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C26×C4 |
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 | |
953 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)(3,8)(4,7)(5,6)(9,10,13,15)(11,14,16,12);(1,3,6,4)(2,7,5,8)(9,11,13,16)(10,14,15,12)(18,21)(19,23);(3,4)(7,8)(10,15)(11,16)(17,18,20,21)(19,22,23,24);(1,4,6,3)(2,7,5,8)(9,11)(10,14)(12,15)(13,16)(17,18)(19,22)(20,21)(23,24);(1,5,6,2)(3,7,4,8)(9,12,13,14)(10,11,15,16)(17,19)(18,22)(20,23)(21,24)Polycyclic presentation:
2^8|a^2=g,b^2=fg,c^2=fgh,d^2=f,e^2=fg,b^a=bf,c^a=cg,e^a=ef,c^b=ch,d^b=dfh,e^b=eh,d^c=dh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#50003, #7705640, #7705681, … |
| maximal normal subgroup of | C2×#50003, #7705640, #7705681, … |
| maximal quotient of | #560709, #561007, #561817, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 42991);