Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #18524 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#120 |
| commutator, Frattini, cosocle | C42 | C24 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
622 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 16 points:
(1,2)(3,5)(4,6)(7,8)(10,14)(11,12)(15,16);(2,5)(3,8)(6,7)(9,10)(11,14)(12,16)(13,15);(9,10)(11,14)(12,16)(13,15);(2,6)(5,7)(9,11,13,12)(10,14,15,16)Polycyclic presentation:
2^8|d^2=h,e^2=g,f^2=h,b^a=be,c^a=cf,d^a=dg,e^a=eg,f^a=fh,e^b=eg,f^b=fh,e^c=eh,f^c=fh40 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#18554, #6348112, #6348113, … |
| maximal normal subgroup of | C2×#18554, #6348112, #6348113, … |
| maximal quotient of | #165903, #165942, #165997, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 11542);