Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #47826 |
| 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 | #2456 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
783 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(1,2)(3,6)(4,8)(5,7)(10,13)(14,16)(17,18,21,24)(19,22,27,25)(20,23,29,28)(26,30,32,31);(1,3)(2,4)(5,8)(6,7)(17,18,21,24)(19,25,27,22)(20,28,29,23)(26,30,32,31);(1,3,5,8)(2,4,7,6)(9,10)(11,14)(12,13)(15,16)(17,18)(19,25)(20,23)(21,24)(22,27)(26,31)(28,29)(30,32);(1,3)(2,6)(4,7)(5,8)(9,11,12,15)(10,14,13,16)(17,19,21,27)(18,22,24,25)(20,26,29,32)(23,30,28,31);(1,4,5,6)(2,3,7,8)(17,20,21,29)(18,23,24,28)(19,26,27,32)(22,30,25,31)Polycyclic presentation:
2^8|a^2=fh,b^2=fh,c^2=f,d^2=fg,e^2=h,b^a=bf,c^a=cg,e^a=ef,c^b=ch,d^b=dfh,e^b=eh,d^c=dh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#51987, #7708005, #7708029, … |
| maximal normal subgroup of | C2×#51987, #7708005, #7708029, … |
| maximal quotient of | #561253, #561281, #562433, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 44975);