Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #93772 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4 · Schur multiplier (H2) = C22 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C2 | #7076 |
| commutator | C22×C16 | C2×C4 |
| Frattini, cosocle | #2113 | C22 |
| prime radical | C2×#41 | D8 |
| LCS | G ▷ C22×C16 ▷ C22×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2 ◁ C2×C4 ◁ C22×C8 ◁ #2113 ◁ G | |
| LECS | G ▷ #2113 ▷ C22×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
177 conjugacy classes of subgroups; only the 28 normal subgroups are shown.
This group has 177 conjugacy classes of subgroups — too many to draw. Only its 28 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 128 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 2 generators on 128 points:
(1,2,5,12)(3,18,20,72)(4,25,28,86)(6,14,39,62)(7,13,35,67)(8,15,36,63)(9,17,37,65)(10,44,45,80)(11,51,54,90)(16,70,64,40)(19,49,78,59)(21,52,85,117)(22,73,83,118)(23,74,33,99)(24,76,84,109)(26,66,88,125)(27,68,34,101)(29,58,96,60)(30,56,92,121)(31,55,93,120)(32,87,94,119)(38,103,104,123)(41,53,102,61)(42,105,82,128)(43,75,100,127)(46,91,114,79)(47,115,111,89)(48,107,112,81)(50,108,113,95)(57,106,122,77)(69,126,110,98)(71,116,124,97);(1,3,9,24)(2,10,17,50)(4,26,32,89)(5,33,37,100)(6,38,27,22)(7,42,41,21)(8,43,40,23)(11,52,58,105)(12,59,65,112)(13,66,53,47)(14,69,68,46)(15,49,16,48)(18,71,76,55)(19,77,81,30)(20,70,84,36)(25,74,87,75)(28,91,94,126)(29,95,90,80)(31,98,97,79)(34,85,39,82)(35,83,102,104)(44,106,108,92)(45,63,113,64)(51,107,96,78)(54,118,60,123)(56,73,57,103)(61,114,67,110)(62,111,101,125)(72,119,109,86)(88,116,115,93)(99,120,127,124)(117,121,128,122)Polycyclic presentation:
2^9|a^2=d,b^2=i,c^2=fhi,e^2=hi,f^2=h,g^2=i,h^2=i,b^a=bc,c^a=ce,e^a=eg,f^a=fh,h^a=hi,c^b=cf,d^b=defh,e^b=eh,f^b=fhi,g^b=gi,h^b=hi,d^c=dghi,e^d=ei38 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 969);