Finite Group Databasebeta
Cayley diagram

C2×#1473 #17379

order256
nilpotency class3
isoclinismisoclinic class of #1468
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#1473

Subgroups

subgroupG/H
center, socleC23C2×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
prime radicalC25C2×C4
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

533 conjugacy classes of subgroups; only the 191 normal subgroups are shown.

normal subgroups only

This group has 533 conjugacy classes of subgroups — too many to draw. Only its 191 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)(5,11,13,8)(6,9)(7,10)(12,17,18,15)(14,16)(19,20,22,26,23,25,31,33)(21,27,29,34,28,24,30,32);(3,5)(4,8)(6,12)(7,13)(9,15)(10,11)(14,18)(16,17)(19,21)(20,24)(22,30)(23,28)(25,27)(26,34)(29,31)(32,33);(3,6,7,14)(4,9,10,16)(5,12,13,18)(8,15,11,17)(21,28)(24,27)(29,30)(32,34)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#107170, #107258, #108278, …
maximal normal subgroup of#107170, #107258, #108278, …
maximal quotient ofC2×#7666, C2×#7669, C2×#7672, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10367);