Finite Group Databasebeta
Cayley diagram

C2×#2115 #33336

order256
nilpotency class3
isoclinismisoclinic class of #99
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C26

Aliases

direct productC2×#2115

Subgroups

subgroupG/H
centerC2×C8C22⋊C4
commutatorC22C23×C8
Frattini, cosocleC2×C8C24
socleC22C2×C22⋊C8
prime radicalC22×#41C4
LCSG ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C8 ◁ C23×C8 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

577 conjugacy classes of subgroups; only the 263 normal subgroups are shown.

normal subgroups only

This group has 577 conjugacy classes of subgroups — too many to draw. Only its 263 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);(3,4,6,11,7,12,18,26,8,10,19,23,20,24,31,33)(5,13,15,25,16,27,29,34,14,9,17,21,28,22,30,32);(3,5)(4,9)(6,17)(7,16)(8,14)(10,13)(11,25)(12,22)(15,19)(18,30)(20,28)(21,23)(24,27)(26,34)(29,31)(32,33);(5,14)(9,13)(15,17)(16,28)(21,25)(22,27)(29,30)(32,34)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#126957, #126958, #126959, …
maximal normal subgroup of#126957, #126958, #126959, …
maximal quotient ofC2×#11419, #479985, C2×#11441, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26324);