Finite Group Databasebeta

C31×#421 #14520602

order1984
nilpotency class3
isoclinismisoclinic class of AGL(1,ℤ/8)
automorphism?
homologyAbelianization (H1) = C22×C4×C31 · Schur multiplier (H2) = C23

Aliases

direct productC31×#421

Subgroups

subgroupG/H
centerC4×C31C2×D4
commutatorC4C22×C4×C31
Frattini, cosocleC2×C4C23×C31
socleC2×C31C2×C22⋊C4
prime radicalC2×#41×C31C2
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C4×C31 ◁ C22×C4×C31 ◁ G

154 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 154 conjugacy classes of subgroups — too many to draw. Only its 78 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) = 47
transitive degreeμt(G) = 496

A minimal faithful permutation representation — 3 generators on 47 points:

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

Conjugacy classes & character table

682 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#16845673, #16845680, #16845685, …
maximal subgroup ofC31×#1794, C31×#1795, C31×#1796, …
maximal normal subgroup ofC31×#1794, C31×#1795, C31×#1796, …
maximal quotient ofC31×#1477, C31×#1478, C31×#1479, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1984, 102);