Finite Group Databasebeta
Cayley diagram

C2×#1419 #13623

order256
nilpotency class5
isoclinismisoclinic class of #1418
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productC2×#1419

Subgroups

subgroupG/H
center, socleC22#357
commutatorC16C22×C4
Frattini, cosocleC2×C16C23
prime radicalC22×D16C2
LCSG ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×C8 ◁ C22×C16 ◁ G
LECSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1

163 conjugacy classes of subgroups; only the 63 normal subgroups are shown.

normal subgroups only

This group has 163 conjugacy classes of subgroups — too many to draw. Only its 63 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 — 3 generators on 34 points:

(1,2);(3,4,6,12,9,14,8,25)(5,15,18,32,21,10,20,26)(7,22,17,29,24,30,23,13)(11,28,27,16,31,34,33,19);(4,10)(5,16)(6,8)(7,23)(11,29)(12,32)(13,31)(14,15)(17,24)(18,28)(19,21)(20,34)(22,27)(25,26)(30,33)

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#1419, #151969, #152162, …
maximal normal subgroup ofC4×#1419, #151969, #152162, …
maximal quotient ofC2×#7385, #150064, #150124, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6611);