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 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
978 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)(3,7)(4,6)(5,8)(17,18,21,19)(20,23,24,22);(1,2,4,6)(3,5,8,7)(10,13)(14,16)(18,19)(22,23);(1,3)(2,5)(4,8)(6,7)(9,10)(11,14)(12,13)(15,16)(17,19,21,18)(20,23,24,22);(1,3)(2,5)(4,8)(6,7)(9,11,12,15)(10,14,13,16)(17,20,21,24)(18,22,19,23);(1,2)(3,5)(4,6)(7,8)(9,10)(11,14)(12,13)(15,16)Polycyclic presentation:
2^8|a^2=fg,b^2=g,c^2=fg,d^2=h,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×#38483, #7635874, #7636312, … |
| maximal normal subgroup of | C2×#38483, #7635874, #7636312, … |
| maximal quotient of | #521816, #522391, #523035, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 31471);