Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #37644 |
| 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 | C2×#120 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
976 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2,4,6)(3,5,8,7)(9,10,13,15)(11,12,14,16)(17,18,21,19)(20,23,24,22);(1,2,4,6)(3,7,8,5)(9,11)(10,12)(13,14)(15,16)(18,19)(22,23);(1,2)(3,5)(4,6)(7,8)(9,12)(10,14)(11,15)(13,16)(17,19,21,18)(20,23,24,22);(17,20)(18,22)(19,23)(21,24);(1,3)(2,5)(4,8)(6,7)(9,12)(10,14)(11,15)(13,16)Polycyclic presentation:
2^8|a^2=h,b^2=g,c^2=f,b^a=bf,c^a=cg,d^a=df,c^b=ch,e^b=efh58 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#37849, #7635184, #7635218, … |
| maximal normal subgroup of | C2×#37849, #7635184, #7635218, … |
| maximal quotient of | #521324, #522066, #522684, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 30837);