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) = C27 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, prime radical, cosocle | C23 | C25 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
660 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 5 generators on 40 points:
(1,2,4,6)(3,5,7,8)(10,14)(15,18)(16,21)(22,24)(25,26)(27,34)(28,33)(29,32)(30,31)(35,40)(36,39)(37,38);(10,14)(11,17)(12,20)(22,24)(25,27,31,29)(26,32,30,34)(28,36,38,35)(33,40,37,39);(1,2)(3,5)(4,6)(7,8)(9,10,13,14)(11,18,17,15)(12,16,20,21)(19,24,23,22)(25,28,31,38)(26,33,30,37)(27,35,29,36)(32,39,34,40);(9,11)(10,15)(12,19)(13,17)(14,18)(16,22)(20,23)(21,24)(25,29,31,27)(26,32,30,34)(28,35,38,36)(33,40,37,39);(1,3,4,7)(2,5,6,8)(9,12,13,20)(10,16,14,21)(11,19,17,23)(15,22,18,24)(25,30,31,26)(27,32,29,34)(28,37,38,33)(35,39,36,40)Polycyclic presentation:
2^8|a^2=fgh,b^2=f,c^2=h,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×#50381, #7706177, #7706223, … |
| maximal normal subgroup of | C2×#50381, #7706177, #7706223, … |
| maximal quotient of | #560742, #561125, #561845, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 43369);