Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #3484 |
| automorphism | Aut(G) order 393216 |
| homology | Abelianization (H1) = C24×C4 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, socle, prime radical, cosocle | C23 | C25 |
| commutator | C22 | C24×C4 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1070 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 5 generators on 20 points:
(1,2,4,3)(6,8)(10,11)(14,17)(18,20);(5,6,9,8)(7,11,12,10);(5,6,9,8)(7,10,12,11)(13,14,16,17)(15,18,19,20);(5,7,9,12)(6,10,8,11);(1,3,4,2)(5,8,9,6)(7,11,12,10)(13,15,16,19)(14,18,17,20)Polycyclic presentation:
2^8|a^2=h,b^2=f,c^2=g,d^2=f,e^2=gh,b^a=bf,c^a=cg,e^a=ef,d^b=df88 conjugacy classes — view the full character table.
| Fitting subgroup of | #34335⋊C3 |
| maximal subgroup of | #97635, #160510, #160640, … |
| maximal normal subgroup of | #97635, #160510, #160640, … |
| maximal quotient of | #513646, #513674, #513712, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 27323);