Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #37644 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
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 | |
1004 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 28 points:
(2,4)(13,14,19,18)(15,22,16,20)(17,25,26,21)(23,27,24,28);(6,10)(8,11)(13,15,19,16)(14,20,18,22)(17,23,26,24)(21,27,25,28);(1,2)(3,4)(5,6)(7,11)(8,12)(9,10)(13,16,19,15)(14,20,18,22)(17,24,26,23)(21,27,25,28);(5,7,9,12)(6,11,10,8)(13,17,19,26)(14,21,18,25)(15,23,16,24)(20,27,22,28);(5,8,9,11)(6,12,10,7)(13,18,19,14)(15,20,16,22)(17,25,26,21)(23,27,24,28)Polycyclic presentation:
2^8|a^2=f,b^2=f,c^2=f,d^2=fh,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 | #6669420, #6669421, #6669444, … |
| maximal normal subgroup of | #6669420, #6669421, #6669444, … |
| maximal quotient of | #521913, #522472, #522966, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 32855);