Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #42996 |
| 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 | C22×D4 | C23 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
767 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(1,2)(3,7)(4,8)(5,6)(9,10,13,16)(11,14,12,15)(17,18,22,19)(20,23,27,25)(21,26,29,24)(28,31,32,30);(2,6)(4,7)(9,11,13,12)(10,14,16,15)(18,19)(20,27)(21,29)(30,31);(1,3,5,8)(2,7,6,4)(9,10)(11,14)(12,15)(13,16)(17,19,22,18)(20,23,27,25)(21,26,29,24)(28,30,32,31);(1,4,5,7)(2,8,6,3)(9,12,13,11)(10,15,16,14)(17,20,22,27)(18,23,19,25)(21,28,29,32)(24,30,26,31);(17,21)(18,24)(19,26)(20,28)(22,29)(23,30)(25,31)(27,32)Polycyclic presentation:
2^8|a^2=gh,b^2=g,c^2=f,d^2=fg,b^a=bf,c^a=cg,e^a=eh,c^b=ch,d^b=df,e^b=eh,d^c=dh58 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#43689, #7667748, #7667880, … |
| maximal normal subgroup of | C2×#43689, #7667748, #7667880, … |
| maximal quotient of | #535495, #535608, #536174, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 36677);