Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #36702 |
| automorphism | Aut(G) order 131072 |
| 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×#121 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1039 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)(7,11)(10,12)(13,14,17,20)(15,21,23,18)(16,24,25,19)(22,26,28,27);(6,9)(10,12)(13,14)(15,21)(16,19)(17,20)(18,23)(22,27)(24,25)(26,28);(1,2,3,4)(5,6)(7,10)(8,9)(11,12);(5,6)(7,10)(8,9)(11,12)(13,15,17,23)(14,18,20,21)(16,22,25,28)(19,26,24,27);(5,7,8,11)(6,10,9,12)(13,16,17,25)(14,19,20,24)(15,22,23,28)(18,26,21,27)Polycyclic presentation:
2^8|a^2=f,c^2=g,d^2=f,e^2=fh,b^a=bf,c^a=cg,d^a=df,e^a=efh,c^b=ch,d^b=dfh52 conjugacy classes — view the full character table.
| maximal subgroup of | #214048, #214654, #6481600, … |
| maximal normal subgroup of | #214048, #214654, #6481600, … |
| maximal quotient of | #553764, #553770, #554023, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 30291);