Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #37644 |
| 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 | #2539 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
928 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2,4,6)(3,5,7,8)(17,18,21,22)(19,24,23,20);(9,10,12,14)(11,15,16,13)(18,22)(19,23);(1,2)(3,5)(4,6)(7,8)(9,10)(11,13)(12,14)(15,16)(17,19,21,23)(18,20,22,24);(17,20)(18,23)(19,22)(21,24);(1,3,4,7)(2,5,6,8)(9,11,12,16)(10,13,14,15)Polycyclic presentation:
2^8|a^2=g,b^2=fh,c^2=f,e^2=gh,b^a=bf,c^a=cg,d^a=df,c^b=ch,e^b=efh58 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#39267, #7636961, #7637089, … |
| maximal normal subgroup of | C2×#39267, #7636961, #7637089, … |
| maximal quotient of | #521614, #522246, #522904, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 32255);