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 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1088 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 28 points:
(1,2,3,4)(13,14,18,16)(15,21,22,19)(17,24,25,20)(23,26,28,27);(5,6)(7,11)(8,9)(10,12)(14,16)(15,22)(17,25)(26,27);(1,2)(3,4)(6,9)(10,11)(13,15,18,22)(14,19,16,21)(17,23,25,28)(20,26,24,27);(5,6)(7,10)(8,9)(11,12)(13,16,18,14)(15,19,22,21)(17,24,25,20)(23,26,28,27);(5,7,8,12)(6,10,9,11)(13,17,18,25)(14,20,16,24)(15,23,22,28)(19,26,21,27)Polycyclic presentation:
2^8|a^2=g,c^2=f,d^2=f,e^2=h,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 | #130282, #485945, #486284, … |
| maximal normal subgroup of | #130282, #485945, #486284, … |
| maximal quotient of | #576642, #576703, #577197, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 40788);