Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #2668 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C43 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, socle, cosocle | C24 | C24 |
| commutator | C23 | C23×C4 |
| prime radical | C25 | C23 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C24 ◁ G | |
| LECS | G ▷ C24 ▷ C1 | |
649 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 28 points:
(1,2,3,4)(6,9)(7,11)(13,14,17,16)(15,19,20,18)(22,25)(26,27);(14,16)(18,19)(21,22,24,25)(23,27,28,26);(5,6,8,9)(7,10,11,12)(13,15)(14,18)(16,19)(17,20)(21,22)(23,26)(24,25)(27,28);(5,7)(6,10)(8,11)(9,12)(13,16,17,14)(15,19,20,18)(21,23)(22,26)(24,28)(25,27)Polycyclic presentation:
2^8|a^2=h,b^2=g,c^2=ef,d^2=eg,b^a=be,c^a=cf,d^a=def,c^b=cg,d^b=de64 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#14497, #520871, #520882, … |
| maximal normal subgroup of | C2×#14497, #520871, #520882, … |
| maximal quotient of | #153968, #153988, #154006, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 7485);