Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #37644 |
| 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 | #2537 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
909 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(2,3)(6,7)(9,10,12,14)(11,13,16,15)(17,18,21,20)(19,22,24,23);(1,2,5,3)(4,7,8,6)(9,10,12,14)(11,15,16,13)(17,19)(18,22)(20,23)(21,24);(1,2,5,3)(4,6,8,7)(9,10)(11,13)(12,14)(15,16)(17,18,21,20)(19,23,24,22);(1,3,5,2)(4,7,8,6);(1,4,5,8)(2,6,3,7)(9,11,12,16)(10,13,14,15)(17,20,21,18)(19,22,24,23)Polycyclic presentation:
2^8|a^2=h,b^2=g,c^2=gh,d^2=f,e^2=fh,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 | #98393, #258623, #258624, … |
| maximal normal subgroup of | #98393, #258623, #258624, … |
| maximal quotient of | #521437, #522203, #522608, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 32493);