Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D4×#120 |
| automorphism | Aut(G) order 65536 |
| 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 | #2407 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
987 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)(3,4)(5,8)(6,7)(18,22)(23,24);(2,7)(3,5)(9,10,12,14)(11,13,16,15)(17,18)(19,23)(20,24)(21,22);(1,3,6,5)(2,4,7,8)(9,10)(11,15)(12,14)(13,16)(17,18)(19,23)(20,24)(21,22);(1,4)(2,3)(5,7)(6,8)(9,11)(10,13)(12,16)(14,15)(17,19,21,20)(18,23,22,24);(1,5,6,3)(2,8,7,4)(9,10)(11,15)(12,14)(13,16)(17,20,21,19)(18,24,22,23)Polycyclic presentation:
2^8|b^2=fgh,c^2=fg,d^2=g,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 | #164888, #164927, #164930, … |
| maximal normal subgroup of | #164888, #164927, #164930, … |
| maximal quotient of | #519244, #519245, #519246, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 29380);