Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #40484 |
| 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 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1321 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 20 points:
(2,4)(5,6,10,8)(7,12,9,11)(13,14,17,18)(15,16,19,20);(7,9)(11,12)(14,18)(15,19);(1,2,3,4)(5,7,10,9)(6,11,8,12)(13,15)(14,16)(17,19)(18,20);(5,8,10,6)(7,11,9,12)(13,16)(14,15)(17,20)(18,19);(5,9,10,7)(6,11,8,12)Polycyclic presentation:
2^8|a^2=h,c^2=g,d^2=fh,e^2=fh,b^a=bf,c^a=cg,d^a=df,c^b=ch,e^b=efh,d^c=dfh52 conjugacy classes — view the full character table.
| maximal subgroup of | #6682206, #6682218, #6682240, … |
| maximal normal subgroup of | #6682206, #6682218, #6682240, … |
| maximal quotient of | #544513, #545075, #545495, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 35938);