Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #36702 |
| 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 | |
796 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(2,4)(3,7)(10,13)(14,16)(17,18)(19,21)(20,23)(22,24);(1,2,5,4)(3,8,7,6)(18,19)(22,23);(9,10)(11,14)(12,13)(15,16)(17,19,21,18)(20,23,24,22);(1,3,5,7)(2,6,4,8)(17,20)(18,22)(19,23)(21,24);(1,4,5,2)(3,8,7,6)(9,11,12,15)(10,14,13,16)Polycyclic presentation:
2^8|b^2=fh,c^2=h,d^2=fh,e^2=fg,b^a=bf,c^a=cg,d^a=df,e^a=efh,c^b=ch,d^b=dfh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#37263, #7634623, #7634629, … |
| maximal normal subgroup of | C2×#37263, #7634623, #7634629, … |
| maximal quotient of | #553879, #553885, #554107, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 30251);