Finite Group Databasebeta
Cayley diagram

C2×#12766 #493589

order512
nilpotency class4
isoclinismisoclinic class of #2199
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C28

Aliases

direct productC2×#12766

Subgroups

subgroupG/H
centerC2×C4B(4,𝔽2)
commutatorC2×D4C23×C4
Frattini, cosocleC2×#41C24
socleC22#1790
prime radicalC2×#3529C2
LCSG ▷ C2×D4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ C22×#41 ◁ G
LECSG ▷ C2×#41 ▷ C22 ▷ C2 ▷ C1

2435 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 34
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 34 points:

(1,2);(3,4,7,11,8,12,23,30)(5,13,16,31,14,27,21,33)(6,17,20,29,19,10,22,28)(9,24,26,18,25,32,34,15);(3,5)(4,9)(6,18)(7,21)(8,14)(10,27)(11,26)(12,25)(13,17)(15,19)(16,23)(20,24)(22,32)(28,33)(29,31)(30,34);(5,14)(9,25)(10,17)(15,18)(16,21)(24,32)(26,34)(28,29)

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#511827, D3×#12766, C2×#511825, …
maximal normal subgroup ofC2×#511827, C2×#511825, #72260417, …
maximal quotient ofC2×#147782, #72240213, #72240251, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 400785);