Finite Group Databasebeta
Cayley diagram

C2×#2053 #23534

order256
nilpotency class3
isoclinismisoclinic class of #2031
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

direct productC2×#2053

Subgroups

subgroupG/H
centerC2×C4#124
commutator, Frattini, cosocleC22×C4C24
socleC22#394
prime radicalC2×#575C2
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

683 conjugacy classes of subgroups; only the 167 normal subgroups are shown.

normal subgroups only

This group has 683 conjugacy classes of subgroups — too many to draw. Only its 167 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#137196, #137197, #137198, …
maximal normal subgroup of#137196, #137197, #137198, …
maximal quotient ofC2×#10512, C2×#10514, C2×#10516, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16522);