Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #46350 |
| 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 | C2×#534 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1251 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 28 points:
(2,4)(5,6,9,7)(8,11,12,10)(13,14)(15,19)(16,24)(17,18)(20,25)(21,22)(23,28)(26,27);(6,7)(10,11)(14,18)(15,21)(16,25)(26,28);(1,2)(3,4)(13,14)(15,22)(16,20)(17,18)(19,21)(23,28)(24,25)(26,27);(5,7,9,6)(8,11,12,10)(13,15,17,21)(14,19,18,22)(16,23,25,27)(20,26,24,28);(5,8)(6,10)(7,11)(9,12)(13,16)(14,20)(15,23)(17,25)(18,24)(19,26)(21,27)(22,28)Polycyclic presentation:
2^8|a^2=fh,d^2=f,b^a=bf,c^a=cg,e^a=ef,c^b=ch,d^b=df,e^b=eh,d^c=dh52 conjugacy classes — view the full character table.
| maximal subgroup of | #133774, #246335, #246375, … |
| maximal normal subgroup of | #133774, #246335, #246375, … |
| maximal quotient of | #576623, #576674, #576715, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 39802);