Finite Group Databasebeta
Cayley diagram

C2×#2858 #36627

order256
nilpotency class2
isoclinismisoclinic class of #2846
automorphismAut(G) order 16777216
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27×C42

Aliases

direct productC2×#2858

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC22×#127C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

2231 conjugacy classes of subgroups; only the 687 normal subgroups are shown.

normal subgroups only

This group has 2231 conjugacy classes of subgroups — too many to draw. Only its 687 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) = 128

A minimal faithful permutation representation — 5 generators on 18 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#96928, #111240, #111241, …
maximal normal subgroup of#96928, #111240, #111241, …
maximal quotient ofC2×#14687, C2×#14700, C2×#14708, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 29615);