Finite Group Databasebeta
Cayley diagram

C2×#3062 #60451

order256
nilpotency class3
isoclinismisoclinic class of #3057
automorphismAut(G) order 131072
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#3062

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×#41 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1467 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)(8,12)(10,17)(13,18)(14,19)(16,21)(20,22);(7,8,10,12,11,14,17,19)(9,13,16,18,15,20,21,22);(4,6)(7,9)(8,13)(10,16)(11,15)(12,18)(14,20)(17,21)(19,22);(8,14)(9,15)(12,19)(16,21)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#372766, #372767, #372770, …
maximal normal subgroup of#372766, #372767, #372770, …
maximal quotient ofC2×#19230, C2×#19232, C2×#19234, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53439);