| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #247783 |
| automorphism | ? |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C26 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #2403 |
| commutator, Frattini, cosocle | C2×C42 | C24 |
| prime radical | C2×#121 | D4 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
978 conjugacy classes of subgroups.
| minimal degree | μ(G) = 64 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 64 points:
(1,2)(3,8)(4,15)(5,7)(6,11)(9,16)(10,18)(12,27)(13,22)(14,24)(17,26)(19,21)(20,25)(23,28)(29,31)(30,32)(33,34,38,42)(35,39,44,53)(36,46,48,56)(37,49,51,41)(40,50,55,47)(43,57,58,64)(45,61,60,54)(52,62,63,59);(2,7)(5,18)(8,22)(9,15)(10,11)(13,19)(16,20)(21,24)(23,27)(25,26)(28,30)(31,32)(33,35,38,44)(34,39,42,53)(36,43,48,58)(37,45,51,60)(40,52,55,63)(41,54,49,61)(46,57,56,64)(47,59,50,62);(1,3,6,14)(2,8,11,24)(4,12,17,29)(5,19,18,13)(7,21,10,22)(9,23,25,32)(15,31,26,27)(16,30,20,28)(33,36,38,48)(34,40,42,55)(35,43,44,58)(37,50,51,47)(39,52,53,63)(41,56,49,46)(45,62,60,59)(54,64,61,57);(1,4,6,17)(2,9,11,25)(3,12,14,29)(5,20,18,16)(7,15,10,26)(8,23,24,32)(13,30,19,28)(21,31,22,27)(35,44)(39,53)(43,58)(45,60)(52,63)(54,61)(57,64)(59,62)Polycyclic presentation:
2^9|a^2=i,b^2=i,c^2=hi,d^2=h,e^2=h,f^2=i,b^a=be,c^a=cf,d^a=de,e^a=eh,f^a=fi,g^a=gh,c^b=cg,d^b=di,e^b=eh,e^c=eh,f^c=fi,e^d=eh,f^d=fh50 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 155025);