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, cosocle | C23 | C25 |
| prime radical | C22×D4 | C23 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
695 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 40 points:
(2,5)(6,8)(9,10)(11,12)(13,21)(14,15)(16,19)(17,22)(18,23)(20,24)(25,26,29,30)(27,31,33,37)(28,32,36,38)(34,39,35,40);(10,15)(12,16)(17,21)(20,23)(26,30)(27,33)(32,38)(34,35);(1,2,4,5)(3,6,7,8)(9,11)(10,16)(12,15)(13,18)(14,19)(17,23)(20,21)(22,24)(25,27)(26,31)(28,35)(29,33)(30,37)(32,40)(34,36)(38,39);(9,12,14,16)(10,11,15,19)(13,20,22,23)(17,18,21,24)(25,28,29,36)(26,32,30,38)(27,34,33,35)(31,39,37,40);(1,3,4,7)(2,6,5,8)(9,13,14,22)(10,17,15,21)(11,18,19,24)(12,20,16,23)(25,26)(27,31)(28,32)(29,30)(33,37)(34,39)(35,40)(36,38)Polycyclic presentation:
2^8|a^2=h,c^2=fgh,d^2=f,e^2=g,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×#50432, #7705817, #7706224, … |
| maximal normal subgroup of | C2×#50432, #7705817, #7706224, … |
| maximal quotient of | #560693, #560992, #561786, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 43420);