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 | #2410 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1044 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 24 points:
(2,3)(6,7)(17,18)(19,23)(20,21)(22,24);(1,2,5,3)(4,7,8,6)(10,13)(11,15)(18,21)(22,23);(1,2,5,3)(4,6,8,7)(9,10,12,13)(11,14,15,16)(17,18)(19,22)(20,21)(23,24);(1,3,5,2)(4,7,8,6)(17,19)(18,22)(20,24)(21,23);(1,4)(2,6)(3,7)(5,8)(9,11)(10,14)(12,15)(13,16)Polycyclic presentation:
2^8|b^2=g,c^2=fh,d^2=g,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×#38168, #7635426, #7635577, … |
| maximal normal subgroup of | C2×#38168, #7635426, #7635577, … |
| maximal quotient of | #521717, #522332, #522837, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 31156);