Finite Group Databasebeta
Cayley diagram

C2×#3280 #61040

order256
nilpotency class3
isoclinismisoclinic class of D4×D8
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#3280

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×D4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1537 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 22 points:

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

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#130714, #130721, #130725, …
maximal normal subgroup of#130714, #130721, #130725, …
maximal quotient ofC2×#19771, C2×#19772, C2×#19773, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54028);