Finite Group Databasebeta
Cayley diagram

C2×#1507 #17534

order256
nilpotency class3
isoclinismisoclinic class of #1504
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4

Aliases

direct productC2×#1507

Subgroups

subgroupG/H
center, socleC23C2×C22⋊C4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC22×#121C2
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C24×C4 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

949 conjugacy classes of subgroups; only the 207 normal subgroups are shown.

normal subgroups only

This group has 949 conjugacy classes of subgroups — too many to draw. Only its 207 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) = 18
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 18 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#106164, #107318, #107454, …
maximal normal subgroup of#106164, #107318, #107454, …
maximal quotient ofC2×#7572, C2×#7576, C2×#7582, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10522);