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 | #392 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
759 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(11,15)(14,16)(17,18,21,22)(19,23,27,25)(20,28,29,24)(26,31,32,30);(1,2)(3,7)(4,8)(5,6)(9,10,13,12)(11,14,15,16)(18,22)(20,29)(23,25)(26,32);(2,6)(3,8)(9,11,13,15)(10,14,12,16)(17,18)(19,25)(20,24)(21,22)(23,27)(26,31)(28,29)(30,32);(1,3)(2,4)(5,8)(6,7)(9,12,13,10)(11,16,15,14)(17,19,21,27)(18,23,22,25)(20,26,29,32)(24,30,28,31);(1,4)(2,3)(5,7)(6,8)(17,20,21,29)(18,24,22,28)(19,26,27,32)(23,30,25,31)Polycyclic presentation:
2^8|a^2=f,b^2=fg,c^2=fg,d^2=g,e^2=f,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×#48255, #7703849, #7704104, … |
| maximal normal subgroup of | C2×#48255, #7703849, #7704104, … |
| maximal quotient of | #561276, #561352, #562315, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 41243);