Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #20158 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | D42 |
| commutator | C42 | C23×C4 |
| Frattini, cosocle | C2×C42 | C24 |
| prime radical | C2×#459 | C22 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
794 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 20 points:
(1,2,4,3)(5,6,9,11,10,12,8,7)(13,14,17,20)(15,18,16,19);(1,3,4,2)(6,11)(7,12)(8,9)(13,15,17,16)(14,18,20,19);(14,19)(15,16)(18,20);(5,7,9,6,10,11,8,12)Polycyclic presentation:
2^9|a^2=g,b^2=eg,d^2=eh,e^2=h,f^2=i,g^2=h,b^a=be,c^a=cf,d^a=dh,f^a=fi,c^b=ci,d^b=de,e^b=eh,g^b=gh,f^c=fi68 conjugacy classes — view the full character table.
| maximal subgroup of | #72279390, #72279433, #72279582, … |
| maximal normal subgroup of | #72279390, #72279433, #72279582, … |
| maximal quotient of | #72309587, #72309765, #72309922, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 136638);