Finite Group Databasebeta
Cayley diagram

C2×#40819 #7638944

order512
nilpotency class2
isoclinismisoclinic class of #40484
automorphism?
homologyAbelianization (H1) = C26 · Schur multiplier (H2) = C212

Aliases

direct productC2×#40819

Subgroups

subgroupG/H
center, socleC24C25
commutator, Frattini, cosocleC23C26
prime radicalC22×#120C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

6158 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 6 generators on 26 points:

(1,2);(11,12,15,17)(13,14,18,16)(20,23)(24,26);(3,4)(5,9)(6,7)(8,10)(11,13,15,18)(12,16,17,14);(4,7)(8,9)(12,17)(14,16)(19,20,22,23)(21,24,25,26);(3,4)(5,8)(6,7)(9,10)(11,14)(12,13)(15,16)(17,18)(19,21,22,25)(20,24,23,26);(3,5)(4,8)(6,10)(7,9)(11,13)(12,14)(15,18)(16,17)

Conjugacy classes & character table

104 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#7639605, C2×#7744967, C2×#7745031
maximal normal subgroup ofC2×#7639605, C2×#7744967, C2×#7745031
maximal quotient ofC2×#776262, C2×#778050, C2×#1393476, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 7546140);