Finite Group Databasebeta

C2×C31×#137 #14520755

order1984
nilpotency class3
isoclinismisoclinic class of AGL(1,ℤ/8)
automorphism?
homologyAbelianization (H1) = C24×C31 · Schur multiplier (H2) = C25

Aliases

direct productC2×C31×#137

Subgroups

subgroupG/H
center, socleC22×C31C2×D4
commutator, Frattini, cosocleC4C24×C31
prime radicalC2×#41×C31C2
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C31 ◁ C22×C4×C31 ◁ G

258 conjugacy classes of subgroups; only the 162 normal subgroups are shown.

normal subgroups only

This group has 258 conjugacy classes of subgroups — too many to draw. Only its 162 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) = 49
transitive degreeμt(G) = 992

A minimal faithful permutation representation — 4 generators on 49 points:

(1,2)(19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49);(3,4)(5,11)(6,14)(7,9)(8,12)(10,16)(13,18)(15,17);(3,5,7,13)(4,8,9,17)(6,15,16,12)(10,18,14,11);(4,9)(8,17)(10,14)(11,18)

Conjugacy classes & character table

682 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#16846082, #16846186, #16846207, …
maximal subgroup ofC31×#1882, C31×#1902, C31×#1905, …
maximal normal subgroup ofC31×#1882, C31×#1902, C31×#1905, …
maximal quotient ofC2×C31×#419, C2×C31×#417, C2×C31×#428, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1984, 255);