Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #2668 |
| automorphism | Aut(G) = C213 (order 8192) · Inn(G) = C24 · Out(G) = C29 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C26 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, cosocle | C22×C4 | C24 |
| commutator, socle | C23 | C23×C4 |
| prime radical | C2×#525 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
791 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 24 points:
(2,4)(5,6)(7,8)(9,10,12,16,13,15,19,22)(11,14,18,21,17,20,23,24);(1,2)(3,4)(9,11)(10,14)(12,18)(13,17)(15,20)(16,21)(19,23)(22,24);(6,8)(11,17)(14,20)(18,23)(21,24);(2,4)(10,15)(14,20)(16,22)(21,24)Polycyclic presentation:
2^8|a^2=g,g^2=h,b^a=be,c^a=cf,d^a=dh,c^b=ch,d^b=de64 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#22400, #6378988, #6378991, … |
| maximal normal subgroup of | C2×#22400, #6378988, #6378991, … |
| maximal quotient of | #221448, #221449, #221450, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 15388);