Finite Group Databasebeta
Cayley diagram

C2×#2642 #34628

order256
nilpotency class2
isoclinismisoclinic class of #2613
automorphismAut(G) order 8388608
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#2642

Subgroups

subgroupG/H
center, socle, prime radicalC24C24
commutator, Frattini, cosocleC23C25
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1143 conjugacy classes of subgroups; only the 527 normal subgroups are shown.

normal subgroups only

This group has 1143 conjugacy classes of subgroups — too many to draw. Only its 527 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) = 30
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 5 generators on 30 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97034, #111924, #111930, …
maximal normal subgroup of#97034, #111924, #111930, …
maximal quotient ofC2×#14261, C2×#14274, C2×#14283, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27616);