Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D4×#120 |
| automorphism | Aut(G) order 131072 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C26×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | C24 | C24 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
870 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2,5,4)(3,6,8,7)(18,23)(19,24);(2,4)(6,7)(9,10,12,14)(11,13,16,15)(17,18,22,23)(19,20,24,21);(1,2,5,4)(3,7,8,6)(9,10)(11,15)(12,14)(13,16)(17,19)(18,20)(21,23)(22,24);(1,3,5,8)(2,6,4,7)(9,11)(10,13)(12,16)(14,15)(17,20,22,21)(18,24,23,19);(1,4,5,2)(3,6,8,7)(9,10)(11,15)(12,14)(13,16)(17,21,22,20)(18,19,23,24)Polycyclic presentation:
2^8|a^2=fg,b^2=fh,c^2=fg,d^2=f,e^2=f,b^a=bf,c^a=cg,c^b=ch,e^b=eh,d^c=dh,e^d=eh70 conjugacy classes — view the full character table.
| maximal subgroup of | #98165, #164151, #164238, … |
| maximal normal subgroup of | #98165, #164151, #164238, … |
| maximal quotient of | #519102, #519110, #519122, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 29276);