Finite Group Databasebeta
Cayley diagram

C2×#2819 #36680

order256
nilpotency class2
isoclinismisoclinic class of #2812
automorphismAut(G) order 4194304
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C25×C43

Aliases

direct productC2×#2819

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1671 conjugacy classes of subgroups; only the 487 normal subgroups are shown.

normal subgroups only

This group has 1671 conjugacy classes of subgroups — too many to draw. Only its 487 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) = 22
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 22 points:

(1,2);(7,8,10,12)(9,11,13,14)(15,16,19,18)(17,20,21,22);(4,6)(9,13)(11,14)(16,18)(17,21);(3,4)(5,6)(7,8)(9,11)(10,12)(13,14)(15,17)(16,20)(18,22)(19,21);(7,9)(8,11)(10,13)(12,14)(15,18,19,16)(17,20,21,22)

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#111249, #111935, #131377, …
maximal normal subgroup of#111249, #111935, #131377, …
maximal quotient ofC2×#14623, C2×#14625, C2×#14632, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 29668);