Finite Group Databasebeta
Cayley diagram

C2×#3287 #61047

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

Aliases

direct productC2×#3287

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

1455 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 128

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

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

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#130715, #130727, #131039, …
maximal normal subgroup of#130715, #130727, #131039, …
maximal quotient ofC2×#19867, C2×#19868, C2×#19869, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54035);