Finite Group Databasebeta

C31×#2123 #16842056

order3968
nilpotency class4
isoclinismisoclinic class of #2121
automorphism?
homologyAbelianization (H1) = C22×C4×C31 · Schur multiplier (H2) = C23

Aliases

direct productC31×#2123

Subgroups

subgroupG/H
center, socleC2×C31C2×#99
commutatorC23C22×C4×C31
Frattini, cosocleC2×D4C23×C31
prime radicalC2×#41×C31C22
LCSG ▷ C23 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C31 ◁ C2×C4×C31 ◁ C2×#41×C31 ◁ G

234 conjugacy classes of subgroups; only the 84 normal subgroups are shown.

normal subgroups only

This group has 234 conjugacy classes of subgroups — too many to draw. Only its 84 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) = 63
transitive degreeμt(G) = 992

A minimal faithful permutation representation — 3 generators on 63 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)(34,42)(35,39)(36,49,50,40)(37,41)(38,44,52,59)(43,56)(45,57)(46,60)(47,62,63,54)(48,55)(51,58,53,61);(32,34,37,45)(33,38,41,52)(35,46,48,43)(36,44,50,59)(39,53,55,51)(40,42,49,57)(47,61,63,58)(54,60,62,56);(32,35,37,48)(33,39,41,55)(34,43,45,46)(36,47,50,63)(38,51,52,53)(40,54,49,62)(42,56,57,60)(44,58,59,61)

Conjugacy classes & character table

713 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC31×#12716, C31×#12717, C31×#12723, …
maximal normal subgroup ofC31×#12716, C31×#12717, C31×#12723, …
maximal quotient ofC31×#11428, C31×#11454, C31×#11474, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3968, 855);