Finite Group Databasebeta

C7×#1291 #11725657

order896
nilpotency class3
isoclinismisoclinic class of #1284
automorphism?
homologyAbelianization (H1) = C42×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×#1291

Subgroups

subgroupG/H
center, socleC22×C7#95
commutatorC2×C4C42×C7
Frattini, cosocleC2×C42C22×C7
prime radicalC23×C7C4⋊C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C7 ◁ C2×C42×C7 ◁ G

138 conjugacy classes of subgroups; only the 64 normal subgroups are shown.

normal subgroups only

This group has 138 conjugacy classes of subgroups — too many to draw. Only its 64 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) = 31
transitive degreeμt(G) = 448

A minimal faithful permutation representation — 2 generators on 31 points:

(1,2,3,4,5,6,7)(8,9)(10,12)(11,14)(13,15)(16,17,19,24,21,23,20,25)(18,26,27,31,28,22,29,30);(9,12,14,13)(16,18,20,27,21,28,19,29)(17,22,25,30,23,26,24,31)

Conjugacy classes & character table

224 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofD7×#1291, #13243710, #13243714, …
maximal subgroup ofC2×C7×#1291, C7×#7992, C7×#7993, …
maximal normal subgroup ofC2×C7×#1291, C7×#7992, C7×#7993, …
maximal quotient ofC7×#7019, C7×#7021, C7×#7022, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 423);