Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #58990 |
| automorphism | Aut(G) = C215 (order 32768) · Inn(G) = C25 · Out(G) = C210 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | #392 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
855 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2,4,5)(3,7,8,6)(9,10,14,13)(11,12,16,15)(17,18,21,20)(19,22,23,24);(2,5)(6,7)(11,16)(12,15)(17,19)(18,22)(20,24)(21,23);(1,2)(3,6)(4,5)(7,8)(9,11,14,16)(10,15,13,12);(1,2)(3,6)(4,5)(7,8)(9,12)(10,11)(13,16)(14,15)(17,20,21,18)(19,22,23,24);(1,3,4,8)(2,6,5,7)(9,13,14,10)(11,12,16,15)Polycyclic presentation:
2^8|a^2=h,c^2=fg,d^2=gh,e^2=g,b^a=bf,c^a=cg,d^a=dg,e^a=ef,c^b=cg,d^b=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#59900, #7666184, #7666427, … |
| maximal normal subgroup of | C2×#59900, #7666184, #7666427, … |
| maximal quotient of | #531838, #531933, #532319, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 52888);