Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #53158 |
| 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 | #392 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
705 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 40 points:
(1,2)(3,8)(4,7)(5,6)(11,17)(15,20)(18,23)(22,24)(25,26,29,30)(27,33,34,31)(28,36,37,32)(35,38,40,39);(2,6)(3,4)(10,14)(12,19)(15,20)(18,23)(26,30)(27,34)(32,36)(35,40);(1,2)(3,7)(4,8)(5,6)(9,10,13,14)(11,15,17,20)(12,16,19,21)(18,22,23,24)(25,27,29,34)(26,31,30,33)(28,35,37,40)(32,38,36,39);(1,3,5,4)(2,7,6,8)(9,11)(10,15)(12,18)(13,17)(14,20)(16,22)(19,23)(21,24)(25,26)(27,31)(28,32)(29,30)(33,34)(35,38)(36,37)(39,40);(1,4,5,3)(2,8,6,7)(9,12)(10,16)(11,18)(13,19)(14,21)(15,22)(17,23)(20,24)(25,28,29,37)(26,32,30,36)(27,35,34,40)(31,38,33,39)Polycyclic presentation:
2^8|a^2=g,c^2=fgh,d^2=fg,e^2=f,b^a=bf,c^a=cg,d^a=dh,e^a=ef,c^b=ch,d^b=df,e^b=egh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#53360, #8105836, #8105895, … |
| maximal normal subgroup of | C2×#53360, #8105836, #8105895, … |
| maximal quotient of | #606815, #606841, #606847, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 46348);