Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #534 |
| automorphism | Aut(G) = C213 (order 8192) · Inn(G) = C24 · Out(G) = C29 |
| homology | Abelianization (H1) = C23×C8 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, cosocle | C22×C4 | C24 |
| commutator | C22 | C23×C8 |
| socle | C23 | C23×C4 |
| prime radical | C22×D4 | C2×C4 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
411 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(2,5)(3,7)(9,10)(11,15)(12,14)(13,16)(17,18,20,23,21,19,22,24);(1,2)(3,6)(4,5)(7,8)(9,11)(10,13)(12,16)(14,15)(17,19,20,24,21,18,22,23);(2,5)(6,8)(10,14)(11,16);(1,3,4,7)(2,6,5,8)(10,14)(13,15)Polycyclic presentation:
2^8|a^2=g,b^2=g,d^2=ef,g^2=h,b^a=be,c^a=cf,d^a=de,c^b=ce88 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#22357, #6376885, #6376889, … |
| maximal normal subgroup of | C2×#22357, #6376885, #6376889, … |
| maximal quotient of | #355279, #355630, #355658, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 15345);