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 | #2543 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
888 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(9,10,12,13)(11,15,16,14)(17,18,21,23)(19,20,24,22);(2,5)(3,7)(10,13)(14,15)(17,19,21,24)(18,22,23,20);(1,2,4,5)(3,6,7,8)(9,10)(11,14)(12,13)(15,16)(17,19)(18,20)(21,24)(22,23);(9,11,12,16)(10,14,13,15)(17,20)(18,19)(21,22)(23,24);(1,3)(2,6)(4,7)(5,8)Polycyclic presentation:
2^8|a^2=f,b^2=fg,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×#38171, #7635482, #7635523, … |
| maximal normal subgroup of | C2×#38171, #7635482, #7635523, … |
| maximal quotient of | #521718, #522332, #522836, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 31159);